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Finding the Fourth Proportional to 898,655,653.80, 1,347,983,480.70 and 588,719,262.60

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Solution

The fourth proportional to 898,655,653.80, 1,347,983,480.70 and 588,719,262.60 is: 883,078,893.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,655,653.80 : 1,347,983,480.70 = 588,719,262.60 : x
  2. Step 2: Convert to fraction form
    898,655,653.80/1,347,983,480.70 = 588,719,262.60/x
  3. Step 3: Cross multiply
    898,655,653.80x = 1,347,983,480.70 × 588,719,262.60
  4. Step 4: Simplify right side
    898,655,653.80x = 793,583,840,754,685,440
  5. Step 5: Solve for x
    x = 793,583,840,754,685,440/898,655,653.80
  6. Step 6: Final answer
    x = 883,078,893.90

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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.