Home / 8,917,859,445.36-13,369,306,475.88-3,942,778,066.80

Finding the Fourth Proportional to 8,917,859,445.36, 13,369,306,475.88 and 3,942,778,066.80

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Solution

The fourth proportional to 8,917,859,445.36, 13,369,306,475.88 and 3,942,778,066.80 is: 5,910,858,840.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917,859,445.36 : 13,369,306,475.88 = 3,942,778,066.80 : x
  2. Step 2: Convert to fraction form
    8,917,859,445.36/13,369,306,475.88 = 3,942,778,066.80/x
  3. Step 3: Cross multiply
    8,917,859,445.36x = 13,369,306,475.88 × 3,942,778,066.80
  4. Step 4: Simplify right side
    8,917,859,445.36x = 52,712,208,341,426,864,128
  5. Step 5: Solve for x
    x = 52,712,208,341,426,864,128/8,917,859,445.36
  6. Step 6: Final answer
    x = 5,910,858,840.55

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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.