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Finding the Fourth Proportional to 486,927,259.68, 728,666,759.16 and 302,781,451.44

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Solution

The fourth proportional to 486,927,259.68, 728,666,759.16 and 302,781,451.44 is: 453,100,077.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,927,259.68 : 728,666,759.16 = 302,781,451.44 : x
  2. Step 2: Convert to fraction form
    486,927,259.68/728,666,759.16 = 302,781,451.44/x
  3. Step 3: Cross multiply
    486,927,259.68x = 728,666,759.16 × 302,781,451.44
  4. Step 4: Simplify right side
    486,927,259.68x = 220,626,778,954,545,696
  5. Step 5: Solve for x
    x = 220,626,778,954,545,696/486,927,259.68
  6. Step 6: Final answer
    x = 453,100,077.21

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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.