Home / 28,459,990,872.54-42,681,381,446.88-8,557,595,007.48

Finding the Fourth Proportional to 28,459,990,872.54, 42,681,381,446.88 and 8,557,595,007.48

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Solution

The fourth proportional to 28,459,990,872.54, 42,681,381,446.88 and 8,557,595,007.48 is: 12,833,805,127.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,459,990,872.54 : 42,681,381,446.88 = 8,557,595,007.48 : x
  2. Step 2: Convert to fraction form
    28,459,990,872.54/42,681,381,446.88 = 8,557,595,007.48/x
  3. Step 3: Cross multiply
    28,459,990,872.54x = 42,681,381,446.88 × 8,557,595,007.48
  4. Step 4: Simplify right side
    28,459,990,872.54x = 365,249,976,782,169,767,936
  5. Step 5: Solve for x
    x = 365,249,976,782,169,767,936/28,459,990,872.54
  6. Step 6: Final answer
    x = 12,833,805,127.27

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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.