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Finding the Fourth Proportional to 1,574,652,236.80, 2,361,978,355.20 and 954,779,454.40

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Solution

The fourth proportional to 1,574,652,236.80, 2,361,978,355.20 and 954,779,454.40 is: 1,432,169,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,652,236.80 : 2,361,978,355.20 = 954,779,454.40 : x
  2. Step 2: Convert to fraction form
    1,574,652,236.80/2,361,978,355.20 = 954,779,454.40/x
  3. Step 3: Cross multiply
    1,574,652,236.80x = 2,361,978,355.20 × 954,779,454.40
  4. Step 4: Simplify right side
    1,574,652,236.80x = 2,255,168,405,282,465,280
  5. Step 5: Solve for x
    x = 2,255,168,405,282,465,280/1,574,652,236.80
  6. Step 6: Final answer
    x = 1,432,169,181.60

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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.