Home / 1,298,990,348.60-1,792,644,489-734,463,103.55

Finding the Fourth Proportional to 1,298,990,348.60, 1,792,644,489 and 734,463,103.55

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Solution

The fourth proportional to 1,298,990,348.60, 1,792,644,489 and 734,463,103.55 is: 1,013,580,459.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,990,348.60 : 1,792,644,489 = 734,463,103.55 : x
  2. Step 2: Convert to fraction form
    1,298,990,348.60/1,792,644,489 = 734,463,103.55/x
  3. Step 3: Cross multiply
    1,298,990,348.60x = 1,792,644,489 × 734,463,103.55
  4. Step 4: Simplify right side
    1,298,990,348.60x = 1,316,631,234,943,780,608
  5. Step 5: Solve for x
    x = 1,316,631,234,943,780,608/1,298,990,348.60
  6. Step 6: Final answer
    x = 1,013,580,459.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.