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Finding the Fourth Proportional to 1,574,652,238.80, 2,361,978,358.20 and 954,779,456.40

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Solution

The fourth proportional to 1,574,652,238.80, 2,361,978,358.20 and 954,779,456.40 is: 1,432,169,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,652,238.80 : 2,361,978,358.20 = 954,779,456.40 : x
  2. Step 2: Convert to fraction form
    1,574,652,238.80/2,361,978,358.20 = 954,779,456.40/x
  3. Step 3: Cross multiply
    1,574,652,238.80x = 2,361,978,358.20 × 954,779,456.40
  4. Step 4: Simplify right side
    1,574,652,238.80x = 2,255,168,412,870,760,192
  5. Step 5: Solve for x
    x = 2,255,168,412,870,760,192/1,574,652,238.80
  6. Step 6: Final answer
    x = 1,432,169,184.60

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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.