Home / 18,020,989,282.15-24,866,679,085.05-9,880,650,665.74

Finding the Fourth Proportional to 18,020,989,282.15, 24,866,679,085.05 and 9,880,650,665.74

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Solution

The fourth proportional to 18,020,989,282.15, 24,866,679,085.05 and 9,880,650,665.74 is: 13,634,044,469.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020,989,282.15 : 24,866,679,085.05 = 9,880,650,665.74 : x
  2. Step 2: Convert to fraction form
    18,020,989,282.15/24,866,679,085.05 = 9,880,650,665.74/x
  3. Step 3: Cross multiply
    18,020,989,282.15x = 24,866,679,085.05 × 9,880,650,665.74
  4. Step 4: Simplify right side
    18,020,989,282.15x = 245,698,969,256,442,200,064
  5. Step 5: Solve for x
    x = 245,698,969,256,442,200,064/18,020,989,282.15
  6. Step 6: Final answer
    x = 13,634,044,469.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.