Home / 1,660,016,006.40-2,490,024,009.60-433,184,457.90

Finding the Fourth Proportional to 1,660,016,006.40, 2,490,024,009.60 and 433,184,457.90

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Solution

The fourth proportional to 1,660,016,006.40, 2,490,024,009.60 and 433,184,457.90 is: 649,776,686.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,016,006.40 : 2,490,024,009.60 = 433,184,457.90 : x
  2. Step 2: Convert to fraction form
    1,660,016,006.40/2,490,024,009.60 = 433,184,457.90/x
  3. Step 3: Cross multiply
    1,660,016,006.40x = 2,490,024,009.60 × 433,184,457.90
  4. Step 4: Simplify right side
    1,660,016,006.40x = 1,078,639,700,756,560,256
  5. Step 5: Solve for x
    x = 1,078,639,700,756,560,256/1,660,016,006.40
  6. Step 6: Final answer
    x = 649,776,686.85

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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.