Home / 361,548,025,637.51-498,936,356,819.58-198,967,671,543.60

Finding the Fourth Proportional to 361,548,025,637.51, 498,936,356,819.58 and 198,967,671,543.60

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Solution

The fourth proportional to 361,548,025,637.51, 498,936,356,819.58 and 198,967,671,543.60 is: 274,575,431,548.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,548,025,637.51 : 498,936,356,819.58 = 198,967,671,543.60 : x
  2. Step 2: Convert to fraction form
    361,548,025,637.51/498,936,356,819.58 = 198,967,671,543.60/x
  3. Step 3: Cross multiply
    361,548,025,637.51x = 498,936,356,819.58 × 198,967,671,543.60
  4. Step 4: Simplify right side
    361,548,025,637.51x = 99,272,205,164,838,612,107,264
  5. Step 5: Solve for x
    x = 99,272,205,164,838,612,107,264/361,548,025,637.51
  6. Step 6: Final answer
    x = 274,575,431,548.25

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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.