Home / 15,559,988,700.62-21,472,791,339.43-8,423,402,281.73

Finding the Fourth Proportional to 15,559,988,700.62, 21,472,791,339.43 and 8,423,402,281.73

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Solution

The fourth proportional to 15,559,988,700.62, 21,472,791,339.43 and 8,423,402,281.73 is: 11,624,298,901.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,559,988,700.62 : 21,472,791,339.43 = 8,423,402,281.73 : x
  2. Step 2: Convert to fraction form
    15,559,988,700.62/21,472,791,339.43 = 8,423,402,281.73/x
  3. Step 3: Cross multiply
    15,559,988,700.62x = 21,472,791,339.43 × 8,423,402,281.73
  4. Step 4: Simplify right side
    15,559,988,700.62x = 180,873,959,563,624,710,144
  5. Step 5: Solve for x
    x = 180,873,959,563,624,710,144/15,559,988,700.62
  6. Step 6: Final answer
    x = 11,624,298,901.73

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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.