Home / 10,219,175,040.80-15,328,762,561.20-9,989,592,528.80

Finding the Fourth Proportional to 10,219,175,040.80, 15,328,762,561.20 and 9,989,592,528.80

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Solution

The fourth proportional to 10,219,175,040.80, 15,328,762,561.20 and 9,989,592,528.80 is: 14,984,388,793.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219,175,040.80 : 15,328,762,561.20 = 9,989,592,528.80 : x
  2. Step 2: Convert to fraction form
    10,219,175,040.80/15,328,762,561.20 = 9,989,592,528.80/x
  3. Step 3: Cross multiply
    10,219,175,040.80x = 15,328,762,561.20 × 9,989,592,528.80
  4. Step 4: Simplify right side
    10,219,175,040.80x = 153,128,091,957,112,668,160
  5. Step 5: Solve for x
    x = 153,128,091,957,112,668,160/10,219,175,040.80
  6. Step 6: Final answer
    x = 14,984,388,793.20

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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.