Home / 927,590,945.47-1,280,215,430.12-565,694,862.95

Finding the Fourth Proportional to 927,590,945.47, 1,280,215,430.12 and 565,694,862.95

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Solution

The fourth proportional to 927,590,945.47, 1,280,215,430.12 and 565,694,862.95 is: 780,744,244.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,590,945.47 : 1,280,215,430.12 = 565,694,862.95 : x
  2. Step 2: Convert to fraction form
    927,590,945.47/1,280,215,430.12 = 565,694,862.95/x
  3. Step 3: Cross multiply
    927,590,945.47x = 1,280,215,430.12 × 565,694,862.95
  4. Step 4: Simplify right side
    927,590,945.47x = 724,211,292,292,540,544
  5. Step 5: Solve for x
    x = 724,211,292,292,540,544/927,590,945.47
  6. Step 6: Final answer
    x = 780,744,244.89

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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.