Home / 28,403,056,006.20-42,604,584,009.30-11,852,707,807.80

Finding the Fourth Proportional to 28,403,056,006.20, 42,604,584,009.30 and 11,852,707,807.80

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Solution

The fourth proportional to 28,403,056,006.20, 42,604,584,009.30 and 11,852,707,807.80 is: 17,779,061,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403,056,006.20 : 42,604,584,009.30 = 11,852,707,807.80 : x
  2. Step 2: Convert to fraction form
    28,403,056,006.20/42,604,584,009.30 = 11,852,707,807.80/x
  3. Step 3: Cross multiply
    28,403,056,006.20x = 42,604,584,009.30 × 11,852,707,807.80
  4. Step 4: Simplify right side
    28,403,056,006.20x = 504,979,685,535,101,157,376
  5. Step 5: Solve for x
    x = 504,979,685,535,101,157,376/28,403,056,006.20
  6. Step 6: Final answer
    x = 17,779,061,711.70

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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.