Home / 412,687,244.90-619,748,312.70-218,977,000.40

Finding the Fourth Proportional to 412,687,244.90, 619,748,312.70 and 218,977,000.40

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Solution

The fourth proportional to 412,687,244.90, 619,748,312.70 and 218,977,000.40 is: 328,846,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,687,244.90 : 619,748,312.70 = 218,977,000.40 : x
  2. Step 2: Convert to fraction form
    412,687,244.90/619,748,312.70 = 218,977,000.40/x
  3. Step 3: Cross multiply
    412,687,244.90x = 619,748,312.70 × 218,977,000.40
  4. Step 4: Simplify right side
    412,687,244.90x = 135,710,626,518,007,232
  5. Step 5: Solve for x
    x = 135,710,626,518,007,232/412,687,244.90
  6. Step 6: Final answer
    x = 328,846,186.05

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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.