Home / 1,318,768,330.83-1,977,732,488.28-433,248,143.43

Finding the Fourth Proportional to 1,318,768,330.83, 1,977,732,488.28 and 433,248,143.43

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Solution

The fourth proportional to 1,318,768,330.83, 1,977,732,488.28 and 433,248,143.43 is: 649,734,232.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,768,330.83 : 1,977,732,488.28 = 433,248,143.43 : x
  2. Step 2: Convert to fraction form
    1,318,768,330.83/1,977,732,488.28 = 433,248,143.43/x
  3. Step 3: Cross multiply
    1,318,768,330.83x = 1,977,732,488.28 × 433,248,143.43
  4. Step 4: Simplify right side
    1,318,768,330.83x = 856,848,928,748,504,192
  5. Step 5: Solve for x
    x = 856,848,928,748,504,192/1,318,768,330.83
  6. Step 6: Final answer
    x = 649,734,232.10

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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.