Home / 518,444,139.06-777,666,996-211,736,251.92

Finding the Fourth Proportional to 518,444,139.06, 777,666,996 and 211,736,251.92

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Solution

The fourth proportional to 518,444,139.06, 777,666,996 and 211,736,251.92 is: 317,604,699.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,444,139.06 : 777,666,996 = 211,736,251.92 : x
  2. Step 2: Convert to fraction form
    518,444,139.06/777,666,996 = 211,736,251.92/x
  3. Step 3: Cross multiply
    518,444,139.06x = 777,666,996 × 211,736,251.92
  4. Step 4: Simplify right side
    518,444,139.06x = 164,660,294,974,925,632
  5. Step 5: Solve for x
    x = 164,660,294,974,925,632/518,444,139.06
  6. Step 6: Final answer
    x = 317,604,699.46

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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.