Home / 1,639,602,231.40-2,459,403,347.10-1,481,445,389.80

Finding the Fourth Proportional to 1,639,602,231.40, 2,459,403,347.10 and 1,481,445,389.80

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Solution

The fourth proportional to 1,639,602,231.40, 2,459,403,347.10 and 1,481,445,389.80 is: 2,222,168,084.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,602,231.40 : 2,459,403,347.10 = 1,481,445,389.80 : x
  2. Step 2: Convert to fraction form
    1,639,602,231.40/2,459,403,347.10 = 1,481,445,389.80/x
  3. Step 3: Cross multiply
    1,639,602,231.40x = 2,459,403,347.10 × 1,481,445,389.80
  4. Step 4: Simplify right side
    1,639,602,231.40x = 3,643,471,750,219,983,872
  5. Step 5: Solve for x
    x = 3,643,471,750,219,983,872/1,639,602,231.40
  6. Step 6: Final answer
    x = 2,222,168,084.70

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Double scale
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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.