Home / 749,661,900,960.80-1,124,138,373,464.20-290,411,671,357.43

Finding the Fourth Proportional to 749,661,900,960.80, 1,124,138,373,464.20 and 290,411,671,357.43

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Solution

The fourth proportional to 749,661,900,960.80, 1,124,138,373,464.20 and 290,411,671,357.43 is: 435,480,185,742.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,661,900,960.80 : 1,124,138,373,464.20 = 290,411,671,357.43 : x
  2. Step 2: Convert to fraction form
    749,661,900,960.80/1,124,138,373,464.20 = 290,411,671,357.43/x
  3. Step 3: Cross multiply
    749,661,900,960.80x = 1,124,138,373,464.20 × 290,411,671,357.43
  4. Step 4: Simplify right side
    749,661,900,960.80x = 326,462,903,874,761,116,352,512
  5. Step 5: Solve for x
    x = 326,462,903,874,761,116,352,512/749,661,900,960.80
  6. Step 6: Final answer
    x = 435,480,185,742.87

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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.