Home / 758,258,235.40-1,137,387,353.10-620,508,728.20

Finding the Fourth Proportional to 758,258,235.40, 1,137,387,353.10 and 620,508,728.20

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Solution

The fourth proportional to 758,258,235.40, 1,137,387,353.10 and 620,508,728.20 is: 930,763,092.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,258,235.40 : 1,137,387,353.10 = 620,508,728.20 : x
  2. Step 2: Convert to fraction form
    758,258,235.40/1,137,387,353.10 = 620,508,728.20/x
  3. Step 3: Cross multiply
    758,258,235.40x = 1,137,387,353.10 × 620,508,728.20
  4. Step 4: Simplify right side
    758,258,235.40x = 705,758,779,942,845,312
  5. Step 5: Solve for x
    x = 705,758,779,942,845,312/758,258,235.40
  6. Step 6: Final answer
    x = 930,763,092.30

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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.