Home / 809,154,577.20-1,116,633,280.02-437,876,618.70

Finding the Fourth Proportional to 809,154,577.20, 1,116,633,280.02 and 437,876,618.70

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Solution

The fourth proportional to 809,154,577.20, 1,116,633,280.02 and 437,876,618.70 is: 604,269,714.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,154,577.20 : 1,116,633,280.02 = 437,876,618.70 : x
  2. Step 2: Convert to fraction form
    809,154,577.20/1,116,633,280.02 = 437,876,618.70/x
  3. Step 3: Cross multiply
    809,154,577.20x = 1,116,633,280.02 × 437,876,618.70
  4. Step 4: Simplify right side
    809,154,577.20x = 488,947,604,983,047,872
  5. Step 5: Solve for x
    x = 488,947,604,983,047,872/809,154,577.20
  6. Step 6: Final answer
    x = 604,269,714.05

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1.5x scale

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.