Home / 70,656,099,220.40-105,984,148,830.60-40,902,205,665.20

Finding the Fourth Proportional to 70,656,099,220.40, 105,984,148,830.60 and 40,902,205,665.20

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Solution

The fourth proportional to 70,656,099,220.40, 105,984,148,830.60 and 40,902,205,665.20 is: 61,353,308,497.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,656,099,220.40 : 105,984,148,830.60 = 40,902,205,665.20 : x
  2. Step 2: Convert to fraction form
    70,656,099,220.40/105,984,148,830.60 = 40,902,205,665.20/x
  3. Step 3: Cross multiply
    70,656,099,220.40x = 105,984,148,830.60 × 40,902,205,665.20
  4. Step 4: Simplify right side
    70,656,099,220.40x = 4,334,985,452,720,367,337,472
  5. Step 5: Solve for x
    x = 4,334,985,452,720,367,337,472/70,656,099,220.40
  6. Step 6: Final answer
    x = 61,353,308,497.80

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Double scale
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Similar ratio
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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.