Home / 980,892,256.10-1,469,885,385.08-807,248,436.44

Finding the Fourth Proportional to 980,892,256.10, 1,469,885,385.08 and 807,248,436.44

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Solution

The fourth proportional to 980,892,256.10, 1,469,885,385.08 and 807,248,436.44 is: 1,209,676,874.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,892,256.10 : 1,469,885,385.08 = 807,248,436.44 : x
  2. Step 2: Convert to fraction form
    980,892,256.10/1,469,885,385.08 = 807,248,436.44/x
  3. Step 3: Cross multiply
    980,892,256.10x = 1,469,885,385.08 × 807,248,436.44
  4. Step 4: Simplify right side
    980,892,256.10x = 1,186,562,678,851,837,440
  5. Step 5: Solve for x
    x = 1,186,562,678,851,837,440/980,892,256.10
  6. Step 6: Final answer
    x = 1,209,676,874.78

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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.