Home / 28,049,986,260.38-38,710,197,827.80-15,533,487,828.38

Finding the Fourth Proportional to 28,049,986,260.38, 38,710,197,827.80 and 15,533,487,828.38

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Solution

The fourth proportional to 28,049,986,260.38, 38,710,197,827.80 and 15,533,487,828.38 is: 21,436,887,034.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,049,986,260.38 : 38,710,197,827.80 = 15,533,487,828.38 : x
  2. Step 2: Convert to fraction form
    28,049,986,260.38/38,710,197,827.80 = 15,533,487,828.38/x
  3. Step 3: Cross multiply
    28,049,986,260.38x = 38,710,197,827.80 × 15,533,487,828.38
  4. Step 4: Simplify right side
    28,049,986,260.38x = 601,304,386,792,088,535,040
  5. Step 5: Solve for x
    x = 601,304,386,792,088,535,040/28,049,986,260.38
  6. Step 6: Final answer
    x = 21,436,887,034.83

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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.