Home / 513,828,727.26-709,002,649.47-299,282,681.34

Finding the Fourth Proportional to 513,828,727.26, 709,002,649.47 and 299,282,681.34

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Solution

The fourth proportional to 513,828,727.26, 709,002,649.47 and 299,282,681.34 is: 412,962,924.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,828,727.26 : 709,002,649.47 = 299,282,681.34 : x
  2. Step 2: Convert to fraction form
    513,828,727.26/709,002,649.47 = 299,282,681.34/x
  3. Step 3: Cross multiply
    513,828,727.26x = 709,002,649.47 × 299,282,681.34
  4. Step 4: Simplify right side
    513,828,727.26x = 212,192,214,009,423,392
  5. Step 5: Solve for x
    x = 212,192,214,009,423,392/513,828,727.26
  6. Step 6: Final answer
    x = 412,962,924.71

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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.