Home / 18,338,337,768.81-25,306,753,993.95-10,309,714,094.93

Finding the Fourth Proportional to 18,338,337,768.81, 25,306,753,993.95 and 10,309,714,094.93

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Solution

The fourth proportional to 18,338,337,768.81, 25,306,753,993.95 and 10,309,714,094.93 is: 14,227,319,926.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338,337,768.81 : 25,306,753,993.95 = 10,309,714,094.93 : x
  2. Step 2: Convert to fraction form
    18,338,337,768.81/25,306,753,993.95 = 10,309,714,094.93/x
  3. Step 3: Cross multiply
    18,338,337,768.81x = 25,306,753,993.95 × 10,309,714,094.93
  4. Step 4: Simplify right side
    18,338,337,768.81x = 260,905,398,348,267,061,248
  5. Step 5: Solve for x
    x = 260,905,398,348,267,061,248/18,338,337,768.81
  6. Step 6: Final answer
    x = 14,227,319,926.02

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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.