Home / 459,258,877.60-688,888,316.40-440,127,001.60

Finding the Fourth Proportional to 459,258,877.60, 688,888,316.40 and 440,127,001.60

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Solution

The fourth proportional to 459,258,877.60, 688,888,316.40 and 440,127,001.60 is: 660,190,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,258,877.60 : 688,888,316.40 = 440,127,001.60 : x
  2. Step 2: Convert to fraction form
    459,258,877.60/688,888,316.40 = 440,127,001.60/x
  3. Step 3: Cross multiply
    459,258,877.60x = 688,888,316.40 × 440,127,001.60
  4. Step 4: Simplify right side
    459,258,877.60x = 303,198,349,134,404,096
  5. Step 5: Solve for x
    x = 303,198,349,134,404,096/459,258,877.60
  6. Step 6: Final answer
    x = 660,190,502.40

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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.