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Finding the Fourth Proportional to 663,552,003.80, 995,328,005.70 and 232,774,045.40

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Solution

The fourth proportional to 663,552,003.80, 995,328,005.70 and 232,774,045.40 is: 349,161,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,552,003.80 : 995,328,005.70 = 232,774,045.40 : x
  2. Step 2: Convert to fraction form
    663,552,003.80/995,328,005.70 = 232,774,045.40/x
  3. Step 3: Cross multiply
    663,552,003.80x = 995,328,005.70 × 232,774,045.40
  4. Step 4: Simplify right side
    663,552,003.80x = 231,686,526,386,703,264
  5. Step 5: Solve for x
    x = 231,686,526,386,703,264/663,552,003.80
  6. Step 6: Final answer
    x = 349,161,068.10

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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.