Home / 1,639,602,290.40-2,459,403,435.60-1,481,445,448.80

Finding the Fourth Proportional to 1,639,602,290.40, 2,459,403,435.60 and 1,481,445,448.80

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Solution

The fourth proportional to 1,639,602,290.40, 2,459,403,435.60 and 1,481,445,448.80 is: 2,222,168,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,602,290.40 : 2,459,403,435.60 = 1,481,445,448.80 : x
  2. Step 2: Convert to fraction form
    1,639,602,290.40/2,459,403,435.60 = 1,481,445,448.80/x
  3. Step 3: Cross multiply
    1,639,602,290.40x = 2,459,403,435.60 × 1,481,445,448.80
  4. Step 4: Simplify right side
    1,639,602,290.40x = 3,643,472,026,432,703,488
  5. Step 5: Solve for x
    x = 3,643,472,026,432,703,488/1,639,602,290.40
  6. Step 6: Final answer
    x = 2,222,168,173.20

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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.