Home / 10,621,152,871.20-15,931,729,306.80-4,493,117,440.80

Finding the Fourth Proportional to 10,621,152,871.20, 15,931,729,306.80 and 4,493,117,440.80

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Solution

The fourth proportional to 10,621,152,871.20, 15,931,729,306.80 and 4,493,117,440.80 is: 6,739,676,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621,152,871.20 : 15,931,729,306.80 = 4,493,117,440.80 : x
  2. Step 2: Convert to fraction form
    10,621,152,871.20/15,931,729,306.80 = 4,493,117,440.80/x
  3. Step 3: Cross multiply
    10,621,152,871.20x = 15,931,729,306.80 × 4,493,117,440.80
  4. Step 4: Simplify right side
    10,621,152,871.20x = 71,583,130,810,487,570,432
  5. Step 5: Solve for x
    x = 71,583,130,810,487,570,432/10,621,152,871.20
  6. Step 6: Final answer
    x = 6,739,676,161.20

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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.