Home / 1,781,299,619.60-2,671,949,429.40-488,835,107.60

Finding the Fourth Proportional to 1,781,299,619.60, 2,671,949,429.40 and 488,835,107.60

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Solution

The fourth proportional to 1,781,299,619.60, 2,671,949,429.40 and 488,835,107.60 is: 733,252,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,299,619.60 : 2,671,949,429.40 = 488,835,107.60 : x
  2. Step 2: Convert to fraction form
    1,781,299,619.60/2,671,949,429.40 = 488,835,107.60/x
  3. Step 3: Cross multiply
    1,781,299,619.60x = 2,671,949,429.40 × 488,835,107.60
  4. Step 4: Simplify right side
    1,781,299,619.60x = 1,306,142,686,822,507,776
  5. Step 5: Solve for x
    x = 1,306,142,686,822,507,776/1,781,299,619.60
  6. Step 6: Final answer
    x = 733,252,661.40

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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.