Home / 1,399,277,562.17-1,931,050,686.80-827,550,710.13

Finding the Fourth Proportional to 1,399,277,562.17, 1,931,050,686.80 and 827,550,710.13

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Solution

The fourth proportional to 1,399,277,562.17, 1,931,050,686.80 and 827,550,710.13 is: 1,142,048,161.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,277,562.17 : 1,931,050,686.80 = 827,550,710.13 : x
  2. Step 2: Convert to fraction form
    1,399,277,562.17/1,931,050,686.80 = 827,550,710.13/x
  3. Step 3: Cross multiply
    1,399,277,562.17x = 1,931,050,686.80 × 827,550,710.13
  4. Step 4: Simplify right side
    1,399,277,562.17x = 1,598,042,367,154,226,432
  5. Step 5: Solve for x
    x = 1,598,042,367,154,226,432/1,399,277,562.17
  6. Step 6: Final answer
    x = 1,142,048,161.39

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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.