Home / 650,812,351.51-898,176,435.12-368,604,994.75

Finding the Fourth Proportional to 650,812,351.51, 898,176,435.12 and 368,604,994.75

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Solution

The fourth proportional to 650,812,351.51, 898,176,435.12 and 368,604,994.75 is: 508,706,264.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,812,351.51 : 898,176,435.12 = 368,604,994.75 : x
  2. Step 2: Convert to fraction form
    650,812,351.51/898,176,435.12 = 368,604,994.75/x
  3. Step 3: Cross multiply
    650,812,351.51x = 898,176,435.12 × 368,604,994.75
  4. Step 4: Simplify right side
    650,812,351.51x = 331,072,320,151,981,312
  5. Step 5: Solve for x
    x = 331,072,320,151,981,312/650,812,351.51
  6. Step 6: Final answer
    x = 508,706,264.38

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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.