Home / 380,697,287,532.79-570,924,779,066.20-125,679,188,331.32

Finding the Fourth Proportional to 380,697,287,532.79, 570,924,779,066.20 and 125,679,188,331.32

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Solution

The fourth proportional to 380,697,287,532.79, 570,924,779,066.20 and 125,679,188,331.32 is: 188,478,786,639.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,697,287,532.79 : 570,924,779,066.20 = 125,679,188,331.32 : x
  2. Step 2: Convert to fraction form
    380,697,287,532.79/570,924,779,066.20 = 125,679,188,331.32/x
  3. Step 3: Cross multiply
    380,697,287,532.79x = 570,924,779,066.20 × 125,679,188,331.32
  4. Step 4: Simplify right side
    380,697,287,532.79x = 71,753,362,831,278,207,926,272
  5. Step 5: Solve for x
    x = 71,753,362,831,278,207,926,272/380,697,287,532.79
  6. Step 6: Final answer
    x = 188,478,786,639.89

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Double scale
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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.