Home / 442,675,409.20-664,013,113.80-155,461,073.20

Finding the Fourth Proportional to 442,675,409.20, 664,013,113.80 and 155,461,073.20

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Solution

The fourth proportional to 442,675,409.20, 664,013,113.80 and 155,461,073.20 is: 233,191,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,675,409.20 : 664,013,113.80 = 155,461,073.20 : x
  2. Step 2: Convert to fraction form
    442,675,409.20/664,013,113.80 = 155,461,073.20/x
  3. Step 3: Cross multiply
    442,675,409.20x = 664,013,113.80 × 155,461,073.20
  4. Step 4: Simplify right side
    442,675,409.20x = 103,228,191,290,221,712
  5. Step 5: Solve for x
    x = 103,228,191,290,221,712/442,675,409.20
  6. Step 6: Final answer
    x = 233,191,609.80

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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.