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Finding the Fourth Proportional to 898,706,656.20, 1,348,059,984.30 and 552,537,798.60

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Solution

The fourth proportional to 898,706,656.20, 1,348,059,984.30 and 552,537,798.60 is: 828,806,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,706,656.20 : 1,348,059,984.30 = 552,537,798.60 : x
  2. Step 2: Convert to fraction form
    898,706,656.20/1,348,059,984.30 = 552,537,798.60/x
  3. Step 3: Cross multiply
    898,706,656.20x = 1,348,059,984.30 × 552,537,798.60
  4. Step 4: Simplify right side
    898,706,656.20x = 744,854,096,105,872,512
  5. Step 5: Solve for x
    x = 744,854,096,105,872,512/898,706,656.20
  6. Step 6: Final answer
    x = 828,806,697.90

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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.