Home / 924,330,971.30-1,275,707,541.04-572,020,426.94

Finding the Fourth Proportional to 924,330,971.30, 1,275,707,541.04 and 572,020,426.94

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Solution

The fourth proportional to 924,330,971.30, 1,275,707,541.04 and 572,020,426.94 is: 789,469,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,330,971.30 : 1,275,707,541.04 = 572,020,426.94 : x
  2. Step 2: Convert to fraction form
    924,330,971.30/1,275,707,541.04 = 572,020,426.94/x
  3. Step 3: Cross multiply
    924,330,971.30x = 1,275,707,541.04 × 572,020,426.94
  4. Step 4: Simplify right side
    924,330,971.30x = 729,730,772,276,278,400
  5. Step 5: Solve for x
    x = 729,730,772,276,278,400/924,330,971.30
  6. Step 6: Final answer
    x = 789,469,134.90

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1.5x scale

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.