Home / 1,119,745,967.40-1,679,618,951.10-754,261,525.80

Finding the Fourth Proportional to 1,119,745,967.40, 1,679,618,951.10 and 754,261,525.80

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Solution

The fourth proportional to 1,119,745,967.40, 1,679,618,951.10 and 754,261,525.80 is: 1,131,392,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,745,967.40 : 1,679,618,951.10 = 754,261,525.80 : x
  2. Step 2: Convert to fraction form
    1,119,745,967.40/1,679,618,951.10 = 754,261,525.80/x
  3. Step 3: Cross multiply
    1,119,745,967.40x = 1,679,618,951.10 × 754,261,525.80
  4. Step 4: Simplify right side
    1,119,745,967.40x = 1,266,871,952,819,281,408
  5. Step 5: Solve for x
    x = 1,266,871,952,819,281,408/1,119,745,967.40
  6. Step 6: Final answer
    x = 1,131,392,288.70

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Double scale
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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.