Home / 1,065,872,529.60-1,598,808,794.40-807,592,203.60

Finding the Fourth Proportional to 1,065,872,529.60, 1,598,808,794.40 and 807,592,203.60

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Solution

The fourth proportional to 1,065,872,529.60, 1,598,808,794.40 and 807,592,203.60 is: 1,211,388,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,872,529.60 : 1,598,808,794.40 = 807,592,203.60 : x
  2. Step 2: Convert to fraction form
    1,065,872,529.60/1,598,808,794.40 = 807,592,203.60/x
  3. Step 3: Cross multiply
    1,065,872,529.60x = 1,598,808,794.40 × 807,592,203.60
  4. Step 4: Simplify right side
    1,065,872,529.60x = 1,291,185,517,404,555,520
  5. Step 5: Solve for x
    x = 1,291,185,517,404,555,520/1,065,872,529.60
  6. Step 6: Final answer
    x = 1,211,388,305.40

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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.