Home / 890,156,362.04-1,228,253,353.72-513,675,604.32

Finding the Fourth Proportional to 890,156,362.04, 1,228,253,353.72 and 513,675,604.32

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Solution

The fourth proportional to 890,156,362.04, 1,228,253,353.72 and 513,675,604.32 is: 708,778,604.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,156,362.04 : 1,228,253,353.72 = 513,675,604.32 : x
  2. Step 2: Convert to fraction form
    890,156,362.04/1,228,253,353.72 = 513,675,604.32/x
  3. Step 3: Cross multiply
    890,156,362.04x = 1,228,253,353.72 × 513,675,604.32
  4. Step 4: Simplify right side
    890,156,362.04x = 630,923,783,730,187,776
  5. Step 5: Solve for x
    x = 630,923,783,730,187,776/890,156,362.04
  6. Step 6: Final answer
    x = 708,778,604.11

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Double scale
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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.