Home / 772,608,927.20-1,158,913,390.80-527,720,914.40

Finding the Fourth Proportional to 772,608,927.20, 1,158,913,390.80 and 527,720,914.40

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Solution

The fourth proportional to 772,608,927.20, 1,158,913,390.80 and 527,720,914.40 is: 791,581,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,608,927.20 : 1,158,913,390.80 = 527,720,914.40 : x
  2. Step 2: Convert to fraction form
    772,608,927.20/1,158,913,390.80 = 527,720,914.40/x
  3. Step 3: Cross multiply
    772,608,927.20x = 1,158,913,390.80 × 527,720,914.40
  4. Step 4: Simplify right side
    772,608,927.20x = 611,582,834,303,380,480
  5. Step 5: Solve for x
    x = 611,582,834,303,380,480/772,608,927.20
  6. Step 6: Final answer
    x = 791,581,371.60

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Double scale
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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.