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Finding the Fourth Proportional to 598,766,961.60, 898,150,442.40 and 553,977,201.60

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Solution

The fourth proportional to 598,766,961.60, 898,150,442.40 and 553,977,201.60 is: 830,965,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,766,961.60 : 898,150,442.40 = 553,977,201.60 : x
  2. Step 2: Convert to fraction form
    598,766,961.60/898,150,442.40 = 553,977,201.60/x
  3. Step 3: Cross multiply
    598,766,961.60x = 898,150,442.40 × 553,977,201.60
  4. Step 4: Simplify right side
    598,766,961.60x = 497,554,868,696,553,984
  5. Step 5: Solve for x
    x = 497,554,868,696,553,984/598,766,961.60
  6. Step 6: Final answer
    x = 830,965,802.40

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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.