Home / 520,187,582.13-779,735,167.51-175,021,376.55

Finding the Fourth Proportional to 520,187,582.13, 779,735,167.51 and 175,021,376.55

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Solution

The fourth proportional to 520,187,582.13, 779,735,167.51 and 175,021,376.55 is: 262,348,289.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,187,582.13 : 779,735,167.51 = 175,021,376.55 : x
  2. Step 2: Convert to fraction form
    520,187,582.13/779,735,167.51 = 175,021,376.55/x
  3. Step 3: Cross multiply
    520,187,582.13x = 779,735,167.51 × 175,021,376.55
  4. Step 4: Simplify right side
    520,187,582.13x = 136,470,322,360,314,496
  5. Step 5: Solve for x
    x = 136,470,322,360,314,496/520,187,582.13
  6. Step 6: Final answer
    x = 262,348,289.44

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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.