Home / 28,090,129,461.89-42,105,699,086.04-9,451,154,360.57

Finding the Fourth Proportional to 28,090,129,461.89, 42,105,699,086.04 and 9,451,154,360.57

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Solution

The fourth proportional to 28,090,129,461.89, 42,105,699,086.04 and 9,451,154,360.57 is: 14,166,807,670.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,090,129,461.89 : 42,105,699,086.04 = 9,451,154,360.57 : x
  2. Step 2: Convert to fraction form
    28,090,129,461.89/42,105,699,086.04 = 9,451,154,360.57/x
  3. Step 3: Cross multiply
    28,090,129,461.89x = 42,105,699,086.04 × 9,451,154,360.57
  4. Step 4: Simplify right side
    28,090,129,461.89x = 397,947,461,521,664,704,512
  5. Step 5: Solve for x
    x = 397,947,461,521,664,704,512/28,090,129,461.89
  6. Step 6: Final answer
    x = 14,166,807,670.35

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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.