Home / 970,753,077.20-1,456,129,615.80-626,767,720.40

Finding the Fourth Proportional to 970,753,077.20, 1,456,129,615.80 and 626,767,720.40

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Solution

The fourth proportional to 970,753,077.20, 1,456,129,615.80 and 626,767,720.40 is: 940,151,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,753,077.20 : 1,456,129,615.80 = 626,767,720.40 : x
  2. Step 2: Convert to fraction form
    970,753,077.20/1,456,129,615.80 = 626,767,720.40/x
  3. Step 3: Cross multiply
    970,753,077.20x = 1,456,129,615.80 × 626,767,720.40
  4. Step 4: Simplify right side
    970,753,077.20x = 912,655,039,901,893,760
  5. Step 5: Solve for x
    x = 912,655,039,901,893,760/970,753,077.20
  6. Step 6: Final answer
    x = 940,151,580.60

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Similar ratio
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1.5x scale

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.