Home / 806,764,045.70-1,210,146,068.55-587,385,200.90

Finding the Fourth Proportional to 806,764,045.70, 1,210,146,068.55 and 587,385,200.90

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Solution

The fourth proportional to 806,764,045.70, 1,210,146,068.55 and 587,385,200.90 is: 881,077,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,764,045.70 : 1,210,146,068.55 = 587,385,200.90 : x
  2. Step 2: Convert to fraction form
    806,764,045.70/1,210,146,068.55 = 587,385,200.90/x
  3. Step 3: Cross multiply
    806,764,045.70x = 1,210,146,068.55 × 587,385,200.90
  4. Step 4: Simplify right side
    806,764,045.70x = 710,821,891,593,586,816
  5. Step 5: Solve for x
    x = 710,821,891,593,586,816/806,764,045.70
  6. Step 6: Final answer
    x = 881,077,801.35

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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.