Home / 859,815,908.01-1,287,833,407.07-710,572,053.69

Finding the Fourth Proportional to 859,815,908.01, 1,287,833,407.07 and 710,572,053.69

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Solution

The fourth proportional to 859,815,908.01, 1,287,833,407.07 and 710,572,053.69 is: 1,064,295,764.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,815,908.01 : 1,287,833,407.07 = 710,572,053.69 : x
  2. Step 2: Convert to fraction form
    859,815,908.01/1,287,833,407.07 = 710,572,053.69/x
  3. Step 3: Cross multiply
    859,815,908.01x = 1,287,833,407.07 × 710,572,053.69
  4. Step 4: Simplify right side
    859,815,908.01x = 915,098,428,868,766,976
  5. Step 5: Solve for x
    x = 915,098,428,868,766,976/859,815,908.01
  6. Step 6: Final answer
    x = 1,064,295,764.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.