Home / 1,577,434,943.54-2,176,670,572.53-908,597,511.86

Finding the Fourth Proportional to 1,577,434,943.54, 2,176,670,572.53 and 908,597,511.86

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Solution

The fourth proportional to 1,577,434,943.54, 2,176,670,572.53 and 908,597,511.86 is: 1,253,755,328.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,434,943.54 : 2,176,670,572.53 = 908,597,511.86 : x
  2. Step 2: Convert to fraction form
    1,577,434,943.54/2,176,670,572.53 = 908,597,511.86/x
  3. Step 3: Cross multiply
    1,577,434,943.54x = 2,176,670,572.53 × 908,597,511.86
  4. Step 4: Simplify right side
    1,577,434,943.54x = 1,977,717,466,339,639,808
  5. Step 5: Solve for x
    x = 1,977,717,466,339,639,808/1,577,434,943.54
  6. Step 6: Final answer
    x = 1,253,755,328.83

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Double scale
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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.