Home / 791,752,478.94-1,187,590,090.32-293,859,872.64

Finding the Fourth Proportional to 791,752,478.94, 1,187,590,090.32 and 293,859,872.64

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Solution

The fourth proportional to 791,752,478.94, 1,187,590,090.32 and 293,859,872.64 is: 440,775,472.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,752,478.94 : 1,187,590,090.32 = 293,859,872.64 : x
  2. Step 2: Convert to fraction form
    791,752,478.94/1,187,590,090.32 = 293,859,872.64/x
  3. Step 3: Cross multiply
    791,752,478.94x = 1,187,590,090.32 × 293,859,872.64
  4. Step 4: Simplify right side
    791,752,478.94x = 348,985,072,689,961,280
  5. Step 5: Solve for x
    x = 348,985,072,689,961,280/791,752,478.94
  6. Step 6: Final answer
    x = 440,775,472.10

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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.