Home / 545,247,711.60-817,871,567.40-459,154,269.60

Finding the Fourth Proportional to 545,247,711.60, 817,871,567.40 and 459,154,269.60

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Solution

The fourth proportional to 545,247,711.60, 817,871,567.40 and 459,154,269.60 is: 688,731,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,247,711.60 : 817,871,567.40 = 459,154,269.60 : x
  2. Step 2: Convert to fraction form
    545,247,711.60/817,871,567.40 = 459,154,269.60/x
  3. Step 3: Cross multiply
    545,247,711.60x = 817,871,567.40 × 459,154,269.60
  4. Step 4: Simplify right side
    545,247,711.60x = 375,529,222,156,154,176
  5. Step 5: Solve for x
    x = 375,529,222,156,154,176/545,247,711.60
  6. Step 6: Final answer
    x = 688,731,404.40

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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.