Home / 475,119,254.40-712,678,881.60-440,681,877.60

Finding the Fourth Proportional to 475,119,254.40, 712,678,881.60 and 440,681,877.60

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Solution

The fourth proportional to 475,119,254.40, 712,678,881.60 and 440,681,877.60 is: 661,022,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,119,254.40 : 712,678,881.60 = 440,681,877.60 : x
  2. Step 2: Convert to fraction form
    475,119,254.40/712,678,881.60 = 440,681,877.60/x
  3. Step 3: Cross multiply
    475,119,254.40x = 712,678,881.60 × 440,681,877.60
  4. Step 4: Simplify right side
    475,119,254.40x = 314,064,667,669,356,096
  5. Step 5: Solve for x
    x = 314,064,667,669,356,096/475,119,254.40
  6. Step 6: Final answer
    x = 661,022,816.40

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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.