Home / 1,027,488,798.38-1,417,934,541.37-557,590,119.36

Finding the Fourth Proportional to 1,027,488,798.38, 1,417,934,541.37 and 557,590,119.36

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Solution

The fourth proportional to 1,027,488,798.38, 1,417,934,541.37 and 557,590,119.36 is: 769,474,364.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,488,798.38 : 1,417,934,541.37 = 557,590,119.36 : x
  2. Step 2: Convert to fraction form
    1,027,488,798.38/1,417,934,541.37 = 557,590,119.36/x
  3. Step 3: Cross multiply
    1,027,488,798.38x = 1,417,934,541.37 × 557,590,119.36
  4. Step 4: Simplify right side
    1,027,488,798.38x = 790,626,290,167,165,056
  5. Step 5: Solve for x
    x = 790,626,290,167,165,056/1,027,488,798.38
  6. Step 6: Final answer
    x = 769,474,364.50

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Half scale
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Double scale
Find fourth proportional to 1,027,488,799.38, 1,417,934,542.75 and 557,590,120.36
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.