Home / 764,437,535.10-1,146,656,302.65-419,257,784.70

Finding the Fourth Proportional to 764,437,535.10, 1,146,656,302.65 and 419,257,784.70

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Solution

The fourth proportional to 764,437,535.10, 1,146,656,302.65 and 419,257,784.70 is: 628,886,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,437,535.10 : 1,146,656,302.65 = 419,257,784.70 : x
  2. Step 2: Convert to fraction form
    764,437,535.10/1,146,656,302.65 = 419,257,784.70/x
  3. Step 3: Cross multiply
    764,437,535.10x = 1,146,656,302.65 × 419,257,784.70
  4. Step 4: Simplify right side
    764,437,535.10x = 480,744,581,261,331,776
  5. Step 5: Solve for x
    x = 480,744,581,261,331,776/764,437,535.10
  6. Step 6: Final answer
    x = 628,886,677.05

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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.