Home / 451,927,612.32-623,641,739.28-256,353,125.28

Finding the Fourth Proportional to 451,927,612.32, 623,641,739.28 and 256,353,125.28

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Solution

The fourth proportional to 451,927,612.32, 623,641,739.28 and 256,353,125.28 is: 353,756,895.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,927,612.32 : 623,641,739.28 = 256,353,125.28 : x
  2. Step 2: Convert to fraction form
    451,927,612.32/623,641,739.28 = 256,353,125.28/x
  3. Step 3: Cross multiply
    451,927,612.32x = 623,641,739.28 × 256,353,125.28
  4. Step 4: Simplify right side
    451,927,612.32x = 159,872,508,919,482,944
  5. Step 5: Solve for x
    x = 159,872,508,919,482,944/451,927,612.32
  6. Step 6: Final answer
    x = 353,756,895.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.