Home / 1,080,300,585.93-1,490,816,321.27-585,263,294.43

Finding the Fourth Proportional to 1,080,300,585.93, 1,490,816,321.27 and 585,263,294.43

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Solution

The fourth proportional to 1,080,300,585.93, 1,490,816,321.27 and 585,263,294.43 is: 807,664,165.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,300,585.93 : 1,490,816,321.27 = 585,263,294.43 : x
  2. Step 2: Convert to fraction form
    1,080,300,585.93/1,490,816,321.27 = 585,263,294.43/x
  3. Step 3: Cross multiply
    1,080,300,585.93x = 1,490,816,321.27 × 585,263,294.43
  4. Step 4: Simplify right side
    1,080,300,585.93x = 872,520,071,576,493,440
  5. Step 5: Solve for x
    x = 872,520,071,576,493,440/1,080,300,585.93
  6. Step 6: Final answer
    x = 807,664,165.83

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Double scale
Find fourth proportional to 1,080,300,586.93, 1,490,816,322.65 and 585,263,295.43
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.