Home / 28,090,129,432.64-42,105,699,042.23-9,451,154,331.32

Finding the Fourth Proportional to 28,090,129,432.64, 42,105,699,042.23 and 9,451,154,331.32

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Solution

The fourth proportional to 28,090,129,432.64, 42,105,699,042.23 and 9,451,154,331.32 is: 14,166,807,626.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,090,129,432.64 : 42,105,699,042.23 = 9,451,154,331.32 : x
  2. Step 2: Convert to fraction form
    28,090,129,432.64/42,105,699,042.23 = 9,451,154,331.32/x
  3. Step 3: Cross multiply
    28,090,129,432.64x = 42,105,699,042.23 × 9,451,154,331.32
  4. Step 4: Simplify right side
    28,090,129,432.64x = 397,947,459,876,036,870,144
  5. Step 5: Solve for x
    x = 397,947,459,876,036,870,144/28,090,129,432.64
  6. Step 6: Final answer
    x = 14,166,807,626.51

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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.