Home / 354,294,429.60-531,441,644.40-342,390,151.20

Finding the Fourth Proportional to 354,294,429.60, 531,441,644.40 and 342,390,151.20

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Solution

The fourth proportional to 354,294,429.60, 531,441,644.40 and 342,390,151.20 is: 513,585,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,429.60 : 531,441,644.40 = 342,390,151.20 : x
  2. Step 2: Convert to fraction form
    354,294,429.60/531,441,644.40 = 342,390,151.20/x
  3. Step 3: Cross multiply
    354,294,429.60x = 531,441,644.40 × 342,390,151.20
  4. Step 4: Simplify right side
    354,294,429.60x = 181,960,384,980,092,608
  5. Step 5: Solve for x
    x = 181,960,384,980,092,608/354,294,429.60
  6. Step 6: Final answer
    x = 513,585,226.80

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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.