Home / 20,478,260,264.35-30,717,390,470.24-5,756,281,682.36

Finding the Fourth Proportional to 20,478,260,264.35, 30,717,390,470.24 and 5,756,281,682.36

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Solution

The fourth proportional to 20,478,260,264.35, 30,717,390,470.24 and 5,756,281,682.36 is: 8,634,422,544.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,478,260,264.35 : 30,717,390,470.24 = 5,756,281,682.36 : x
  2. Step 2: Convert to fraction form
    20,478,260,264.35/30,717,390,470.24 = 5,756,281,682.36/x
  3. Step 3: Cross multiply
    20,478,260,264.35x = 30,717,390,470.24 × 5,756,281,682.36
  4. Step 4: Simplify right side
    20,478,260,264.35x = 176,817,952,093,606,215,680
  5. Step 5: Solve for x
    x = 176,817,952,093,606,215,680/20,478,260,264.35
  6. Step 6: Final answer
    x = 8,634,422,544.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.