Home / 15,349,830,957.03-21,182,912,760.69-9,006,306,718.17

Finding the Fourth Proportional to 15,349,830,957.03, 21,182,912,760.69 and 9,006,306,718.17

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Solution

The fourth proportional to 15,349,830,957.03, 21,182,912,760.69 and 9,006,306,718.17 is: 12,428,788,958.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,349,830,957.03 : 21,182,912,760.69 = 9,006,306,718.17 : x
  2. Step 2: Convert to fraction form
    15,349,830,957.03/21,182,912,760.69 = 9,006,306,718.17/x
  3. Step 3: Cross multiply
    15,349,830,957.03x = 21,182,912,760.69 × 9,006,306,718.17
  4. Step 4: Simplify right side
    15,349,830,957.03x = 190,779,809,507,011,362,816
  5. Step 5: Solve for x
    x = 190,779,809,507,011,362,816/15,349,830,957.03
  6. Step 6: Final answer
    x = 12,428,788,958.07

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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.