Home / 559,872,001.30-839,808,001.95-354,287,002.90

Finding the Fourth Proportional to 559,872,001.30, 839,808,001.95 and 354,287,002.90

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Solution

The fourth proportional to 559,872,001.30, 839,808,001.95 and 354,287,002.90 is: 531,430,504.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,001.30 : 839,808,001.95 = 354,287,002.90 : x
  2. Step 2: Convert to fraction form
    559,872,001.30/839,808,001.95 = 354,287,002.90/x
  3. Step 3: Cross multiply
    559,872,001.30x = 839,808,001.95 × 354,287,002.90
  4. Step 4: Simplify right side
    559,872,001.30x = 297,533,060,022,302,848
  5. Step 5: Solve for x
    x = 297,533,060,022,302,848/559,872,001.30
  6. Step 6: Final answer
    x = 531,430,504.35

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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.