Home / 857,053,710.72-1,182,658,471.20-475,585,312.32

Finding the Fourth Proportional to 857,053,710.72, 1,182,658,471.20 and 475,585,312.32

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Solution

The fourth proportional to 857,053,710.72, 1,182,658,471.20 and 475,585,312.32 is: 656,265,752.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,053,710.72 : 1,182,658,471.20 = 475,585,312.32 : x
  2. Step 2: Convert to fraction form
    857,053,710.72/1,182,658,471.20 = 475,585,312.32/x
  3. Step 3: Cross multiply
    857,053,710.72x = 1,182,658,471.20 × 475,585,312.32
  4. Step 4: Simplify right side
    857,053,710.72x = 562,454,998,393,545,728
  5. Step 5: Solve for x
    x = 562,454,998,393,545,728/857,053,710.72
  6. Step 6: Final answer
    x = 656,265,752.49

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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.