Home / 28,403,051,817.70-42,604,577,726.55-11,852,703,619.30

Finding the Fourth Proportional to 28,403,051,817.70, 42,604,577,726.55 and 11,852,703,619.30

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Solution

The fourth proportional to 28,403,051,817.70, 42,604,577,726.55 and 11,852,703,619.30 is: 17,779,055,428.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403,051,817.70 : 42,604,577,726.55 = 11,852,703,619.30 : x
  2. Step 2: Convert to fraction form
    28,403,051,817.70/42,604,577,726.55 = 11,852,703,619.30/x
  3. Step 3: Cross multiply
    28,403,051,817.70x = 42,604,577,726.55 × 11,852,703,619.30
  4. Step 4: Simplify right side
    28,403,051,817.70x = 504,979,432,618,227,335,168
  5. Step 5: Solve for x
    x = 504,979,432,618,227,335,168/28,403,051,817.70
  6. Step 6: Final answer
    x = 17,779,055,428.95

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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.