Home / 12,754,931,384.20-19,132,397,076.30-12,582,938,705.80

Finding the Fourth Proportional to 12,754,931,384.20, 19,132,397,076.30 and 12,582,938,705.80

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Solution

The fourth proportional to 12,754,931,384.20, 19,132,397,076.30 and 12,582,938,705.80 is: 18,874,408,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754,931,384.20 : 19,132,397,076.30 = 12,582,938,705.80 : x
  2. Step 2: Convert to fraction form
    12,754,931,384.20/19,132,397,076.30 = 12,582,938,705.80/x
  3. Step 3: Cross multiply
    12,754,931,384.20x = 19,132,397,076.30 × 12,582,938,705.80
  4. Step 4: Simplify right side
    12,754,931,384.20x = 240,741,779,706,110,017,536
  5. Step 5: Solve for x
    x = 240,741,779,706,110,017,536/12,754,931,384.20
  6. Step 6: Final answer
    x = 18,874,408,058.70

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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.