Home / 373,573,756.20-559,604,807.10-258,688,021.80

Finding the Fourth Proportional to 373,573,756.20, 559,604,807.10 and 258,688,021.80

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Solution

The fourth proportional to 373,573,756.20, 559,604,807.10 and 258,688,021.80 is: 387,508,646.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,573,756.20 : 559,604,807.10 = 258,688,021.80 : x
  2. Step 2: Convert to fraction form
    373,573,756.20/559,604,807.10 = 258,688,021.80/x
  3. Step 3: Cross multiply
    373,573,756.20x = 559,604,807.10 × 258,688,021.80
  4. Step 4: Simplify right side
    373,573,756.20x = 144,763,060,538,469,600
  5. Step 5: Solve for x
    x = 144,763,060,538,469,600/373,573,756.20
  6. Step 6: Final answer
    x = 387,508,646.25

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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.