Home / 742,566,446.71-1,024,681,706.06-429,320,847.43

Finding the Fourth Proportional to 742,566,446.71, 1,024,681,706.06 and 429,320,847.43

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Solution

The fourth proportional to 742,566,446.71, 1,024,681,706.06 and 429,320,847.43 is: 592,428,085.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,566,446.71 : 1,024,681,706.06 = 429,320,847.43 : x
  2. Step 2: Convert to fraction form
    742,566,446.71/1,024,681,706.06 = 429,320,847.43/x
  3. Step 3: Cross multiply
    742,566,446.71x = 1,024,681,706.06 × 429,320,847.43
  4. Step 4: Simplify right side
    742,566,446.71x = 439,917,218,389,550,720
  5. Step 5: Solve for x
    x = 439,917,218,389,550,720/742,566,446.71
  6. Step 6: Final answer
    x = 592,428,085.51

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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.