Home / 806,764,010.20-1,210,146,015.30-587,385,165.40

Finding the Fourth Proportional to 806,764,010.20, 1,210,146,015.30 and 587,385,165.40

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Solution

The fourth proportional to 806,764,010.20, 1,210,146,015.30 and 587,385,165.40 is: 881,077,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,764,010.20 : 1,210,146,015.30 = 587,385,165.40 : x
  2. Step 2: Convert to fraction form
    806,764,010.20/1,210,146,015.30 = 587,385,165.40/x
  3. Step 3: Cross multiply
    806,764,010.20x = 1,210,146,015.30 × 587,385,165.40
  4. Step 4: Simplify right side
    806,764,010.20x = 710,821,817,355,141,376
  5. Step 5: Solve for x
    x = 710,821,817,355,141,376/806,764,010.20
  6. Step 6: Final answer
    x = 881,077,748.10

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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.