Home / 724,042,851.20-1,086,064,276.80-433,805,206.40

Finding the Fourth Proportional to 724,042,851.20, 1,086,064,276.80 and 433,805,206.40

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Solution

The fourth proportional to 724,042,851.20, 1,086,064,276.80 and 433,805,206.40 is: 650,707,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,042,851.20 : 1,086,064,276.80 = 433,805,206.40 : x
  2. Step 2: Convert to fraction form
    724,042,851.20/1,086,064,276.80 = 433,805,206.40/x
  3. Step 3: Cross multiply
    724,042,851.20x = 1,086,064,276.80 × 433,805,206.40
  4. Step 4: Simplify right side
    724,042,851.20x = 471,140,337,760,890,688
  5. Step 5: Solve for x
    x = 471,140,337,760,890,688/724,042,851.20
  6. Step 6: Final answer
    x = 650,707,809.60

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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.