Home / 354,291,480.40-531,437,220.60-318,459,672.40

Finding the Fourth Proportional to 354,291,480.40, 531,437,220.60 and 318,459,672.40

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Solution

The fourth proportional to 354,291,480.40, 531,437,220.60 and 318,459,672.40 is: 477,689,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,291,480.40 : 531,437,220.60 = 318,459,672.40 : x
  2. Step 2: Convert to fraction form
    354,291,480.40/531,437,220.60 = 318,459,672.40/x
  3. Step 3: Cross multiply
    354,291,480.40x = 531,437,220.60 × 318,459,672.40
  4. Step 4: Simplify right side
    354,291,480.40x = 169,241,323,173,442,528
  5. Step 5: Solve for x
    x = 169,241,323,173,442,528/354,291,480.40
  6. Step 6: Final answer
    x = 477,689,508.60

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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.