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Finding the Fourth Proportional to 898,382,379.60, 1,347,573,569.40 and 862,669,544.40

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Solution

The fourth proportional to 898,382,379.60, 1,347,573,569.40 and 862,669,544.40 is: 1,294,004,316.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,382,379.60 : 1,347,573,569.40 = 862,669,544.40 : x
  2. Step 2: Convert to fraction form
    898,382,379.60/1,347,573,569.40 = 862,669,544.40/x
  3. Step 3: Cross multiply
    898,382,379.60x = 1,347,573,569.40 × 862,669,544.40
  4. Step 4: Simplify right side
    898,382,379.60x = 1,162,510,677,159,779,840
  5. Step 5: Solve for x
    x = 1,162,510,677,159,779,840/898,382,379.60
  6. Step 6: Final answer
    x = 1,294,004,316.60

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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.