Home / 1,010,841,273.76-1,394,874,381.36-581,692,465.12

Finding the Fourth Proportional to 1,010,841,273.76, 1,394,874,381.36 and 581,692,465.12

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Solution

The fourth proportional to 1,010,841,273.76, 1,394,874,381.36 and 581,692,465.12 is: 802,685,781.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,841,273.76 : 1,394,874,381.36 = 581,692,465.12 : x
  2. Step 2: Convert to fraction form
    1,010,841,273.76/1,394,874,381.36 = 581,692,465.12/x
  3. Step 3: Cross multiply
    1,010,841,273.76x = 1,394,874,381.36 × 581,692,465.12
  4. Step 4: Simplify right side
    1,010,841,273.76x = 811,387,917,426,033,280
  5. Step 5: Solve for x
    x = 811,387,917,426,033,280/1,010,841,273.76
  6. Step 6: Final answer
    x = 802,685,781.13

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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.