Home / 914,729,384.02-1,262,323,801.65-497,042,943.70

Finding the Fourth Proportional to 914,729,384.02, 1,262,323,801.65 and 497,042,943.70

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Solution

The fourth proportional to 914,729,384.02, 1,262,323,801.65 and 497,042,943.70 is: 685,917,768.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,729,384.02 : 1,262,323,801.65 = 497,042,943.70 : x
  2. Step 2: Convert to fraction form
    914,729,384.02/1,262,323,801.65 = 497,042,943.70/x
  3. Step 3: Cross multiply
    914,729,384.02x = 1,262,323,801.65 × 497,042,943.70
  4. Step 4: Simplify right side
    914,729,384.02x = 627,429,138,274,690,944
  5. Step 5: Solve for x
    x = 627,429,138,274,690,944/914,729,384.02
  6. Step 6: Final answer
    x = 685,917,768.94

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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.