Home / 123,430,380,200.40-185,145,570,300.60-98,635,468,904.40

Finding the Fourth Proportional to 123,430,380,200.40, 185,145,570,300.60 and 98,635,468,904.40

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Solution

The fourth proportional to 123,430,380,200.40, 185,145,570,300.60 and 98,635,468,904.40 is: 147,953,203,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,430,380,200.40 : 185,145,570,300.60 = 98,635,468,904.40 : x
  2. Step 2: Convert to fraction form
    123,430,380,200.40/185,145,570,300.60 = 98,635,468,904.40/x
  3. Step 3: Cross multiply
    123,430,380,200.40x = 185,145,570,300.60 × 98,635,468,904.40
  4. Step 4: Simplify right side
    123,430,380,200.40x = 18,261,920,142,172,234,973,184
  5. Step 5: Solve for x
    x = 18,261,920,142,172,234,973,184/123,430,380,200.40
  6. Step 6: Final answer
    x = 147,953,203,356.60

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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.