Home / 1,660,015,961.40-2,490,023,942.10-433,184,412.90

Finding the Fourth Proportional to 1,660,015,961.40, 2,490,023,942.10 and 433,184,412.90

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Solution

The fourth proportional to 1,660,015,961.40, 2,490,023,942.10 and 433,184,412.90 is: 649,776,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,015,961.40 : 2,490,023,942.10 = 433,184,412.90 : x
  2. Step 2: Convert to fraction form
    1,660,015,961.40/2,490,023,942.10 = 433,184,412.90/x
  3. Step 3: Cross multiply
    1,660,015,961.40x = 2,490,023,942.10 × 433,184,412.90
  4. Step 4: Simplify right side
    1,660,015,961.40x = 1,078,639,559,465,532,032
  5. Step 5: Solve for x
    x = 1,078,639,559,465,532,032/1,660,015,961.40
  6. Step 6: Final answer
    x = 649,776,619.35

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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.