Home / 758,258,235.90-1,137,387,353.85-620,508,728.70

Finding the Fourth Proportional to 758,258,235.90, 1,137,387,353.85 and 620,508,728.70

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Solution

The fourth proportional to 758,258,235.90, 1,137,387,353.85 and 620,508,728.70 is: 930,763,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,258,235.90 : 1,137,387,353.85 = 620,508,728.70 : x
  2. Step 2: Convert to fraction form
    758,258,235.90/1,137,387,353.85 = 620,508,728.70/x
  3. Step 3: Cross multiply
    758,258,235.90x = 1,137,387,353.85 × 620,508,728.70
  4. Step 4: Simplify right side
    758,258,235.90x = 705,758,780,976,920,576
  5. Step 5: Solve for x
    x = 705,758,780,976,920,576/758,258,235.90
  6. Step 6: Final answer
    x = 930,763,093.05

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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.