Home / 524,500,643.16-786,363,105.03-317,192,965.71

Finding the Fourth Proportional to 524,500,643.16, 786,363,105.03 and 317,192,965.71

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Solution

The fourth proportional to 524,500,643.16, 786,363,105.03 and 317,192,965.71 is: 475,554,889.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,500,643.16 : 786,363,105.03 = 317,192,965.71 : x
  2. Step 2: Convert to fraction form
    524,500,643.16/786,363,105.03 = 317,192,965.71/x
  3. Step 3: Cross multiply
    524,500,643.16x = 786,363,105.03 × 317,192,965.71
  4. Step 4: Simplify right side
    524,500,643.16x = 249,428,845,409,389,888
  5. Step 5: Solve for x
    x = 249,428,845,409,389,888/524,500,643.16
  6. Step 6: Final answer
    x = 475,554,889.52

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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.