Home / 631,152,001.40-946,728,002.10-516,360,745.40

Finding the Fourth Proportional to 631,152,001.40, 946,728,002.10 and 516,360,745.40

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Solution

The fourth proportional to 631,152,001.40, 946,728,002.10 and 516,360,745.40 is: 774,541,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,152,001.40 : 946,728,002.10 = 516,360,745.40 : x
  2. Step 2: Convert to fraction form
    631,152,001.40/946,728,002.10 = 516,360,745.40/x
  3. Step 3: Cross multiply
    631,152,001.40x = 946,728,002.10 × 516,360,745.40
  4. Step 4: Simplify right side
    631,152,001.40x = 488,853,176,855,408,768
  5. Step 5: Solve for x
    x = 488,853,176,855,408,768/631,152,001.40
  6. Step 6: Final answer
    x = 774,541,118.10

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Half scale
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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.