Home / 726,716,079.60-1,090,074,119.40-675,060,014.40

Finding the Fourth Proportional to 726,716,079.60, 1,090,074,119.40 and 675,060,014.40

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Solution

The fourth proportional to 726,716,079.60, 1,090,074,119.40 and 675,060,014.40 is: 1,012,590,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,716,079.60 : 1,090,074,119.40 = 675,060,014.40 : x
  2. Step 2: Convert to fraction form
    726,716,079.60/1,090,074,119.40 = 675,060,014.40/x
  3. Step 3: Cross multiply
    726,716,079.60x = 1,090,074,119.40 × 675,060,014.40
  4. Step 4: Simplify right side
    726,716,079.60x = 735,865,450,739,231,360
  5. Step 5: Solve for x
    x = 735,865,450,739,231,360/726,716,079.60
  6. Step 6: Final answer
    x = 1,012,590,021.60

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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.