Home / 20,226,746,909.70-30,319,713,030.15-9,193,181,444.10

Finding the Fourth Proportional to 20,226,746,909.70, 30,319,713,030.15 and 9,193,181,444.10

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Solution

The fourth proportional to 20,226,746,909.70, 30,319,713,030.15 and 9,193,181,444.10 is: 13,780,496,906.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226,746,909.70 : 30,319,713,030.15 = 9,193,181,444.10 : x
  2. Step 2: Convert to fraction form
    20,226,746,909.70/30,319,713,030.15 = 9,193,181,444.10/x
  3. Step 3: Cross multiply
    20,226,746,909.70x = 30,319,713,030.15 × 9,193,181,444.10
  4. Step 4: Simplify right side
    20,226,746,909.70x = 278,734,623,219,211,993,088
  5. Step 5: Solve for x
    x = 278,734,623,219,211,993,088/20,226,746,909.70
  6. Step 6: Final answer
    x = 13,780,496,906.58

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1.5x scale

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.