Home / 264,385,621.40-396,578,432.10-256,827,349.40

Finding the Fourth Proportional to 264,385,621.40, 396,578,432.10 and 256,827,349.40

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Solution

The fourth proportional to 264,385,621.40, 396,578,432.10 and 256,827,349.40 is: 385,241,024.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,385,621.40 : 396,578,432.10 = 256,827,349.40 : x
  2. Step 2: Convert to fraction form
    264,385,621.40/396,578,432.10 = 256,827,349.40/x
  3. Step 3: Cross multiply
    264,385,621.40x = 396,578,432.10 × 256,827,349.40
  4. Step 4: Simplify right side
    264,385,621.40x = 101,852,187,545,450,880
  5. Step 5: Solve for x
    x = 101,852,187,545,450,880/264,385,621.40
  6. Step 6: Final answer
    x = 385,241,024.10

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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.