Home / 643,547,812.24-965,330,686.41-183,485,981.55

Finding the Fourth Proportional to 643,547,812.24, 965,330,686.41 and 183,485,981.55

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Solution

The fourth proportional to 643,547,812.24, 965,330,686.41 and 183,485,981.55 is: 275,231,529.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,547,812.24 : 965,330,686.41 = 183,485,981.55 : x
  2. Step 2: Convert to fraction form
    643,547,812.24/965,330,686.41 = 183,485,981.55/x
  3. Step 3: Cross multiply
    643,547,812.24x = 965,330,686.41 × 183,485,981.55
  4. Step 4: Simplify right side
    643,547,812.24x = 177,124,648,516,274,112
  5. Step 5: Solve for x
    x = 177,124,648,516,274,112/643,547,812.24
  6. Step 6: Final answer
    x = 275,231,529.26

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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.