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Finding the Fourth Proportional to 1,036,684,278.40, 1,555,026,417.60 and 1,036,684,278.40

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Solution

The fourth proportional to 1,036,684,278.40, 1,555,026,417.60 and 1,036,684,278.40 is: 1,555,026,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,684,278.40 : 1,555,026,417.60 = 1,036,684,278.40 : x
  2. Step 2: Convert to fraction form
    1,036,684,278.40/1,555,026,417.60 = 1,036,684,278.40/x
  3. Step 3: Cross multiply
    1,036,684,278.40x = 1,555,026,417.60 × 1,036,684,278.40
  4. Step 4: Simplify right side
    1,036,684,278.40x = 1,612,071,439,622,593,024
  5. Step 5: Solve for x
    x = 1,612,071,439,622,593,024/1,036,684,278.40
  6. Step 6: Final answer
    x = 1,555,026,417.60

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Half scale
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Double scale
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Similar ratio
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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.