Home / 21,894,242,641.52-30,215,227,989.12-12,248,397,193.76

Finding the Fourth Proportional to 21,894,242,641.52, 30,215,227,989.12 and 12,248,397,193.76

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Solution

The fourth proportional to 21,894,242,641.52, 30,215,227,989.12 and 12,248,397,193.76 is: 16,903,444,424.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,894,242,641.52 : 30,215,227,989.12 = 12,248,397,193.76 : x
  2. Step 2: Convert to fraction form
    21,894,242,641.52/30,215,227,989.12 = 12,248,397,193.76/x
  3. Step 3: Cross multiply
    21,894,242,641.52x = 30,215,227,989.12 × 12,248,397,193.76
  4. Step 4: Simplify right side
    21,894,242,641.52x = 370,088,113,710,756,003,840
  5. Step 5: Solve for x
    x = 370,088,113,710,756,003,840/21,894,242,641.52
  6. Step 6: Final answer
    x = 16,903,444,424.65

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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.