Home / 1,345,304,897.70-2,017,957,346.55-619,710,785.70

Finding the Fourth Proportional to 1,345,304,897.70, 2,017,957,346.55 and 619,710,785.70

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Solution

The fourth proportional to 1,345,304,897.70, 2,017,957,346.55 and 619,710,785.70 is: 929,566,178.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,304,897.70 : 2,017,957,346.55 = 619,710,785.70 : x
  2. Step 2: Convert to fraction form
    1,345,304,897.70/2,017,957,346.55 = 619,710,785.70/x
  3. Step 3: Cross multiply
    1,345,304,897.70x = 2,017,957,346.55 × 619,710,785.70
  4. Step 4: Simplify right side
    1,345,304,897.70x = 1,250,549,932,739,587,840
  5. Step 5: Solve for x
    x = 1,250,549,932,739,587,840/1,345,304,897.70
  6. Step 6: Final answer
    x = 929,566,178.55

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Double scale
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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.