Home / 875,513,543.40-1,208,199,731.94-484,375,766.76

Finding the Fourth Proportional to 875,513,543.40, 1,208,199,731.94 and 484,375,766.76

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Solution

The fourth proportional to 875,513,543.40, 1,208,199,731.94 and 484,375,766.76 is: 668,433,602.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,513,543.40 : 1,208,199,731.94 = 484,375,766.76 : x
  2. Step 2: Convert to fraction form
    875,513,543.40/1,208,199,731.94 = 484,375,766.76/x
  3. Step 3: Cross multiply
    875,513,543.40x = 1,208,199,731.94 × 484,375,766.76
  4. Step 4: Simplify right side
    875,513,543.40x = 585,222,671,557,664,000
  5. Step 5: Solve for x
    x = 585,222,671,557,664,000/875,513,543.40
  6. Step 6: Final answer
    x = 668,433,602.16

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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.