Home / 1,106,677,337.60-1,660,016,006.40-288,789,638.60

Finding the Fourth Proportional to 1,106,677,337.60, 1,660,016,006.40 and 288,789,638.60

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Solution

The fourth proportional to 1,106,677,337.60, 1,660,016,006.40 and 288,789,638.60 is: 433,184,457.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,677,337.60 : 1,660,016,006.40 = 288,789,638.60 : x
  2. Step 2: Convert to fraction form
    1,106,677,337.60/1,660,016,006.40 = 288,789,638.60/x
  3. Step 3: Cross multiply
    1,106,677,337.60x = 1,660,016,006.40 × 288,789,638.60
  4. Step 4: Simplify right side
    1,106,677,337.60x = 479,395,422,558,471,360
  5. Step 5: Solve for x
    x = 479,395,422,558,471,360/1,106,677,337.60
  6. Step 6: Final answer
    x = 433,184,457.90

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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.