Home / 15,929,152,121.89-21,982,232,080.53-8,792,567,280.70

Finding the Fourth Proportional to 15,929,152,121.89, 21,982,232,080.53 and 8,792,567,280.70

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Solution

The fourth proportional to 15,929,152,121.89, 21,982,232,080.53 and 8,792,567,280.70 is: 12,133,744,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,929,152,121.89 : 21,982,232,080.53 = 8,792,567,280.70 : x
  2. Step 2: Convert to fraction form
    15,929,152,121.89/21,982,232,080.53 = 8,792,567,280.70/x
  3. Step 3: Cross multiply
    15,929,152,121.89x = 21,982,232,080.53 × 8,792,567,280.70
  4. Step 4: Simplify right side
    15,929,152,121.89x = 193,280,254,548,021,968,896
  5. Step 5: Solve for x
    x = 193,280,254,548,021,968,896/15,929,152,121.89
  6. Step 6: Final answer
    x = 12,133,744,035.40

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1.5x scale

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.