Home / 361,548,025,012.04-498,936,355,956.80-198,967,670,918.08

Finding the Fourth Proportional to 361,548,025,012.04, 498,936,355,956.80 and 198,967,670,918.08

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Solution

The fourth proportional to 361,548,025,012.04, 498,936,355,956.80 and 198,967,670,918.08 is: 274,575,430,685.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,548,025,012.04 : 498,936,355,956.80 = 198,967,670,918.08 : x
  2. Step 2: Convert to fraction form
    361,548,025,012.04/498,936,355,956.80 = 198,967,670,918.08/x
  3. Step 3: Cross multiply
    361,548,025,012.04x = 498,936,355,956.80 × 198,967,670,918.08
  4. Step 4: Simplify right side
    361,548,025,012.04x = 99,272,204,681,078,594,600,960
  5. Step 5: Solve for x
    x = 99,272,204,681,078,594,600,960/361,548,025,012.04
  6. Step 6: Final answer
    x = 274,575,430,685.24

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Double scale
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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.