Home / 12,686,598,045.90-19,029,897,068.85-9,421,424,541.90

Finding the Fourth Proportional to 12,686,598,045.90, 19,029,897,068.85 and 9,421,424,541.90

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Solution

The fourth proportional to 12,686,598,045.90, 19,029,897,068.85 and 9,421,424,541.90 is: 14,132,136,812.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,686,598,045.90 : 19,029,897,068.85 = 9,421,424,541.90 : x
  2. Step 2: Convert to fraction form
    12,686,598,045.90/19,029,897,068.85 = 9,421,424,541.90/x
  3. Step 3: Cross multiply
    12,686,598,045.90x = 19,029,897,068.85 × 9,421,424,541.90
  4. Step 4: Simplify right side
    12,686,598,045.90x = 179,288,739,274,294,231,040
  5. Step 5: Solve for x
    x = 179,288,739,274,294,231,040/12,686,598,045.90
  6. Step 6: Final answer
    x = 14,132,136,812.85

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1.5x scale

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.