Home / 565,647,514.47-780,952,210.02-387,329,802.48

Finding the Fourth Proportional to 565,647,514.47, 780,952,210.02 and 387,329,802.48

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Solution

The fourth proportional to 565,647,514.47, 780,952,210.02 and 387,329,802.48 is: 534,760,707.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,647,514.47 : 780,952,210.02 = 387,329,802.48 : x
  2. Step 2: Convert to fraction form
    565,647,514.47/780,952,210.02 = 387,329,802.48/x
  3. Step 3: Cross multiply
    565,647,514.47x = 780,952,210.02 × 387,329,802.48
  4. Step 4: Simplify right side
    565,647,514.47x = 302,486,065,253,366,080
  5. Step 5: Solve for x
    x = 302,486,065,253,366,080/565,647,514.47
  6. Step 6: Final answer
    x = 534,760,707.89

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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.