Home / 8,461,821,731.60-12,692,732,597.40-7,542,735,856.40

Finding the Fourth Proportional to 8,461,821,731.60, 12,692,732,597.40 and 7,542,735,856.40

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Solution

The fourth proportional to 8,461,821,731.60, 12,692,732,597.40 and 7,542,735,856.40 is: 11,314,103,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461,821,731.60 : 12,692,732,597.40 = 7,542,735,856.40 : x
  2. Step 2: Convert to fraction form
    8,461,821,731.60/12,692,732,597.40 = 7,542,735,856.40/x
  3. Step 3: Cross multiply
    8,461,821,731.60x = 12,692,732,597.40 × 7,542,735,856.40
  4. Step 4: Simplify right side
    8,461,821,731.60x = 95,737,929,278,106,075,136
  5. Step 5: Solve for x
    x = 95,737,929,278,106,075,136/8,461,821,731.60
  6. Step 6: Final answer
    x = 11,314,103,784.60

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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.