Home / 374,613,999.60-561,920,999.40-368,874,436.80

Finding the Fourth Proportional to 374,613,999.60, 561,920,999.40 and 368,874,436.80

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Solution

The fourth proportional to 374,613,999.60, 561,920,999.40 and 368,874,436.80 is: 553,311,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,613,999.60 : 561,920,999.40 = 368,874,436.80 : x
  2. Step 2: Convert to fraction form
    374,613,999.60/561,920,999.40 = 368,874,436.80/x
  3. Step 3: Cross multiply
    374,613,999.60x = 561,920,999.40 × 368,874,436.80
  4. Step 4: Simplify right side
    374,613,999.60x = 207,278,292,179,768,128
  5. Step 5: Solve for x
    x = 207,278,292,179,768,128/374,613,999.60
  6. Step 6: Final answer
    x = 553,311,655.20

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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.