Home / 1,225,509,595.52-1,691,195,216.64-696,873,666.56

Finding the Fourth Proportional to 1,225,509,595.52, 1,691,195,216.64 and 696,873,666.56

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Solution

The fourth proportional to 1,225,509,595.52, 1,691,195,216.64 and 696,873,666.56 is: 961,681,096.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,509,595.52 : 1,691,195,216.64 = 696,873,666.56 : x
  2. Step 2: Convert to fraction form
    1,225,509,595.52/1,691,195,216.64 = 696,873,666.56/x
  3. Step 3: Cross multiply
    1,225,509,595.52x = 1,691,195,216.64 × 696,873,666.56
  4. Step 4: Simplify right side
    1,225,509,595.52x = 1,178,549,411,488,650,240
  5. Step 5: Solve for x
    x = 1,178,549,411,488,650,240/1,225,509,595.52
  6. Step 6: Final answer
    x = 961,681,096.42

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Double scale
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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.