Home / 890,156,341.90-1,228,253,326.01-513,675,584.11

Finding the Fourth Proportional to 890,156,341.90, 1,228,253,326.01 and 513,675,584.11

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Solution

The fourth proportional to 890,156,341.90, 1,228,253,326.01 and 513,675,584.11 is: 708,778,576.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,156,341.90 : 1,228,253,326.01 = 513,675,584.11 : x
  2. Step 2: Convert to fraction form
    890,156,341.90/1,228,253,326.01 = 513,675,584.11/x
  3. Step 3: Cross multiply
    890,156,341.90x = 1,228,253,326.01 × 513,675,584.11
  4. Step 4: Simplify right side
    890,156,341.90x = 630,923,744,667,095,808
  5. Step 5: Solve for x
    x = 630,923,744,667,095,808/890,156,341.90
  6. Step 6: Final answer
    x = 708,778,576.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.