Home / 293,420,474.40-440,130,711.60-157,371,578.40

Finding the Fourth Proportional to 293,420,474.40, 440,130,711.60 and 157,371,578.40

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Solution

The fourth proportional to 293,420,474.40, 440,130,711.60 and 157,371,578.40 is: 236,057,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,420,474.40 : 440,130,711.60 = 157,371,578.40 : x
  2. Step 2: Convert to fraction form
    293,420,474.40/440,130,711.60 = 157,371,578.40/x
  3. Step 3: Cross multiply
    293,420,474.40x = 440,130,711.60 × 157,371,578.40
  4. Step 4: Simplify right side
    293,420,474.40x = 69,264,064,786,807,192
  5. Step 5: Solve for x
    x = 69,264,064,786,807,192/293,420,474.40
  6. Step 6: Final answer
    x = 236,057,367.60

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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.