Home / 1,291,238,240,634.60-1,781,898,182,442.80-705,288,459,959.97

Finding the Fourth Proportional to 1,291,238,240,634.60, 1,781,898,182,442.80 and 705,288,459,959.97

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Solution

The fourth proportional to 1,291,238,240,634.60, 1,781,898,182,442.80 and 705,288,459,959.97 is: 973,292,290,571.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,238,240,634.60 : 1,781,898,182,442.80 = 705,288,459,959.97 : x
  2. Step 2: Convert to fraction form
    1,291,238,240,634.60/1,781,898,182,442.80 = 705,288,459,959.97/x
  3. Step 3: Cross multiply
    1,291,238,240,634.60x = 1,781,898,182,442.80 × 705,288,459,959.97
  4. Step 4: Simplify right side
    1,291,238,240,634.60x = 1,256,752,224,900,552,025,178,112
  5. Step 5: Solve for x
    x = 1,256,752,224,900,552,025,178,112/1,291,238,240,634.60
  6. Step 6: Final answer
    x = 973,292,290,571.34

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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.