Home / 1,158,963,990.51-1,738,456,746.79-329,917,604.08

Finding the Fourth Proportional to 1,158,963,990.51, 1,738,456,746.79 and 329,917,604.08

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Solution

The fourth proportional to 1,158,963,990.51, 1,738,456,746.79 and 329,917,604.08 is: 494,879,469.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,963,990.51 : 1,738,456,746.79 = 329,917,604.08 : x
  2. Step 2: Convert to fraction form
    1,158,963,990.51/1,738,456,746.79 = 329,917,604.08/x
  3. Step 3: Cross multiply
    1,158,963,990.51x = 1,738,456,746.79 × 329,917,604.08
  4. Step 4: Simplify right side
    1,158,963,990.51x = 573,547,484,700,793,408
  5. Step 5: Solve for x
    x = 573,547,484,700,793,408/1,158,963,990.51
  6. Step 6: Final answer
    x = 494,879,469.42

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Double scale
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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.