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Finding the Fourth Proportional to 977,881,989.90, 1,466,822,984.85 and 589,504,907.10

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Solution

The fourth proportional to 977,881,989.90, 1,466,822,984.85 and 589,504,907.10 is: 884,257,360.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,881,989.90 : 1,466,822,984.85 = 589,504,907.10 : x
  2. Step 2: Convert to fraction form
    977,881,989.90/1,466,822,984.85 = 589,504,907.10/x
  3. Step 3: Cross multiply
    977,881,989.90x = 1,466,822,984.85 × 589,504,907.10
  4. Step 4: Simplify right side
    977,881,989.90x = 864,699,347,416,144,000
  5. Step 5: Solve for x
    x = 864,699,347,416,144,000/977,881,989.90
  6. Step 6: Final answer
    x = 884,257,360.65

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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.