Home / 439,559,711.80-659,339,567.70-180,960,521.20

Finding the Fourth Proportional to 439,559,711.80, 659,339,567.70 and 180,960,521.20

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Solution

The fourth proportional to 439,559,711.80, 659,339,567.70 and 180,960,521.20 is: 271,440,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,559,711.80 : 659,339,567.70 = 180,960,521.20 : x
  2. Step 2: Convert to fraction form
    439,559,711.80/659,339,567.70 = 180,960,521.20/x
  3. Step 3: Cross multiply
    439,559,711.80x = 659,339,567.70 × 180,960,521.20
  4. Step 4: Simplify right side
    439,559,711.80x = 119,314,431,818,774,688
  5. Step 5: Solve for x
    x = 119,314,431,818,774,688/439,559,711.80
  6. Step 6: Final answer
    x = 271,440,781.80

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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.