Home / 912,528,035.65-1,368,792,053.48-880,279,408.45

Finding the Fourth Proportional to 912,528,035.65, 1,368,792,053.48 and 880,279,408.45

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Solution

The fourth proportional to 912,528,035.65, 1,368,792,053.48 and 880,279,408.45 is: 1,320,419,112.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,528,035.65 : 1,368,792,053.48 = 880,279,408.45 : x
  2. Step 2: Convert to fraction form
    912,528,035.65/1,368,792,053.48 = 880,279,408.45/x
  3. Step 3: Cross multiply
    912,528,035.65x = 1,368,792,053.48 × 880,279,408.45
  4. Step 4: Simplify right side
    912,528,035.65x = 1,204,919,459,128,435,200
  5. Step 5: Solve for x
    x = 1,204,919,459,128,435,200/912,528,035.65
  6. Step 6: Final answer
    x = 1,320,419,112.68

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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.