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Finding the Fourth Proportional to 1,057,742,703.20, 1,586,614,054.80 and 888,437,410.40

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Solution

The fourth proportional to 1,057,742,703.20, 1,586,614,054.80 and 888,437,410.40 is: 1,332,656,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,742,703.20 : 1,586,614,054.80 = 888,437,410.40 : x
  2. Step 2: Convert to fraction form
    1,057,742,703.20/1,586,614,054.80 = 888,437,410.40/x
  3. Step 3: Cross multiply
    1,057,742,703.20x = 1,586,614,054.80 × 888,437,410.40
  4. Step 4: Simplify right side
    1,057,742,703.20x = 1,409,607,282,150,755,584
  5. Step 5: Solve for x
    x = 1,409,607,282,150,755,584/1,057,742,703.20
  6. Step 6: Final answer
    x = 1,332,656,115.60

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Double scale
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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.