Home / 912,528,037.65-1,368,792,056.48-880,279,410.45

Finding the Fourth Proportional to 912,528,037.65, 1,368,792,056.48 and 880,279,410.45

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Solution

The fourth proportional to 912,528,037.65, 1,368,792,056.48 and 880,279,410.45 is: 1,320,419,115.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,528,037.65 : 1,368,792,056.48 = 880,279,410.45 : x
  2. Step 2: Convert to fraction form
    912,528,037.65/1,368,792,056.48 = 880,279,410.45/x
  3. Step 3: Cross multiply
    912,528,037.65x = 1,368,792,056.48 × 880,279,410.45
  4. Step 4: Simplify right side
    912,528,037.65x = 1,204,919,464,502,456,064
  5. Step 5: Solve for x
    x = 1,204,919,464,502,456,064/912,528,037.65
  6. Step 6: Final answer
    x = 1,320,419,115.68

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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.