Home / 772,292,006.20-1,158,438,009.30-708,802,521.40

Finding the Fourth Proportional to 772,292,006.20, 1,158,438,009.30 and 708,802,521.40

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Solution

The fourth proportional to 772,292,006.20, 1,158,438,009.30 and 708,802,521.40 is: 1,063,203,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,292,006.20 : 1,158,438,009.30 = 708,802,521.40 : x
  2. Step 2: Convert to fraction form
    772,292,006.20/1,158,438,009.30 = 708,802,521.40/x
  3. Step 3: Cross multiply
    772,292,006.20x = 1,158,438,009.30 × 708,802,521.40
  4. Step 4: Simplify right side
    772,292,006.20x = 821,103,781,877,436,544
  5. Step 5: Solve for x
    x = 821,103,781,877,436,544/772,292,006.20
  6. Step 6: Final answer
    x = 1,063,203,782.10

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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.