Home / 1,298,990,349.60-1,792,644,490.38-734,463,104.55

Finding the Fourth Proportional to 1,298,990,349.60, 1,792,644,490.38 and 734,463,104.55

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Solution

The fourth proportional to 1,298,990,349.60, 1,792,644,490.38 and 734,463,104.55 is: 1,013,580,461.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,990,349.60 : 1,792,644,490.38 = 734,463,104.55 : x
  2. Step 2: Convert to fraction form
    1,298,990,349.60/1,792,644,490.38 = 734,463,104.55/x
  3. Step 3: Cross multiply
    1,298,990,349.60x = 1,792,644,490.38 × 734,463,104.55
  4. Step 4: Simplify right side
    1,298,990,349.60x = 1,316,631,237,758,947,328
  5. Step 5: Solve for x
    x = 1,316,631,237,758,947,328/1,298,990,349.60
  6. Step 6: Final answer
    x = 1,013,580,461.29

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1.5x scale

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.