Home / 15,349,830,952.02-21,182,912,753.77-9,006,306,713.16

Finding the Fourth Proportional to 15,349,830,952.02, 21,182,912,753.77 and 9,006,306,713.16

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Solution

The fourth proportional to 15,349,830,952.02, 21,182,912,753.77 and 9,006,306,713.16 is: 12,428,788,951.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,349,830,952.02 : 21,182,912,753.77 = 9,006,306,713.16 : x
  2. Step 2: Convert to fraction form
    15,349,830,952.02/21,182,912,753.77 = 9,006,306,713.16/x
  3. Step 3: Cross multiply
    15,349,830,952.02x = 21,182,912,753.77 × 9,006,306,713.16
  4. Step 4: Simplify right side
    15,349,830,952.02x = 190,779,809,338,561,331,200
  5. Step 5: Solve for x
    x = 190,779,809,338,561,331,200/15,349,830,952.02
  6. Step 6: Final answer
    x = 12,428,788,951.15

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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.