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Finding the Fourth Proportional to 898,646,827.80, 1,347,970,241.70 and 753,528,005.40

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Solution

The fourth proportional to 898,646,827.80, 1,347,970,241.70 and 753,528,005.40 is: 1,130,292,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,646,827.80 : 1,347,970,241.70 = 753,528,005.40 : x
  2. Step 2: Convert to fraction form
    898,646,827.80/1,347,970,241.70 = 753,528,005.40/x
  3. Step 3: Cross multiply
    898,646,827.80x = 1,347,970,241.70 × 753,528,005.40
  4. Step 4: Simplify right side
    898,646,827.80x = 1,015,733,327,566,756,864
  5. Step 5: Solve for x
    x = 1,015,733,327,566,756,864/898,646,827.80
  6. Step 6: Final answer
    x = 1,130,292,008.10

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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.