Home / 145,498,298,642.40-218,247,447,963.60-127,503,564,664.80

Finding the Fourth Proportional to 145,498,298,642.40, 218,247,447,963.60 and 127,503,564,664.80

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Solution

The fourth proportional to 145,498,298,642.40, 218,247,447,963.60 and 127,503,564,664.80 is: 191,255,346,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,498,298,642.40 : 218,247,447,963.60 = 127,503,564,664.80 : x
  2. Step 2: Convert to fraction form
    145,498,298,642.40/218,247,447,963.60 = 127,503,564,664.80/x
  3. Step 3: Cross multiply
    145,498,298,642.40x = 218,247,447,963.60 × 127,503,564,664.80
  4. Step 4: Simplify right side
    145,498,298,642.40x = 27,827,327,594,354,448,531,456
  5. Step 5: Solve for x
    x = 27,827,327,594,354,448,531,456/145,498,298,642.40
  6. Step 6: Final answer
    x = 191,255,346,997.20

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1.5x scale

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.