Home / 19,721,170,702.98-29,582,186,718.48-11,867,152,967.46

Finding the Fourth Proportional to 19,721,170,702.98, 29,582,186,718.48 and 11,867,152,967.46

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Solution

The fourth proportional to 19,721,170,702.98, 29,582,186,718.48 and 11,867,152,967.46 is: 17,800,988,601.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,721,170,702.98 : 29,582,186,718.48 = 11,867,152,967.46 : x
  2. Step 2: Convert to fraction form
    19,721,170,702.98/29,582,186,718.48 = 11,867,152,967.46/x
  3. Step 3: Cross multiply
    19,721,170,702.98x = 29,582,186,718.48 × 11,867,152,967.46
  4. Step 4: Simplify right side
    19,721,170,702.98x = 351,056,334,900,165,672,960
  5. Step 5: Solve for x
    x = 351,056,334,900,165,672,960/19,721,170,702.98
  6. Step 6: Final answer
    x = 17,800,988,601.91

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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.