Home / 829,979,312.10-1,244,968,968.15-255,550,640.10

Finding the Fourth Proportional to 829,979,312.10, 1,244,968,968.15 and 255,550,640.10

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Solution

The fourth proportional to 829,979,312.10, 1,244,968,968.15 and 255,550,640.10 is: 383,325,960.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,979,312.10 : 1,244,968,968.15 = 255,550,640.10 : x
  2. Step 2: Convert to fraction form
    829,979,312.10/1,244,968,968.15 = 255,550,640.10/x
  3. Step 3: Cross multiply
    829,979,312.10x = 1,244,968,968.15 × 255,550,640.10
  4. Step 4: Simplify right side
    829,979,312.10x = 318,152,616,715,369,024
  5. Step 5: Solve for x
    x = 318,152,616,715,369,024/829,979,312.10
  6. Step 6: Final answer
    x = 383,325,960.15

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Double scale
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Similar ratio
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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.