Home / 554,799,589.95-765,333,165.13-343,038,728.73

Finding the Fourth Proportional to 554,799,589.95, 765,333,165.13 and 343,038,728.73

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Solution

The fourth proportional to 554,799,589.95, 765,333,165.13 and 343,038,728.73 is: 473,213,969.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,799,589.95 : 765,333,165.13 = 343,038,728.73 : x
  2. Step 2: Convert to fraction form
    554,799,589.95/765,333,165.13 = 343,038,728.73/x
  3. Step 3: Cross multiply
    554,799,589.95x = 765,333,165.13 × 343,038,728.73
  4. Step 4: Simplify right side
    554,799,589.95x = 262,538,916,023,114,784
  5. Step 5: Solve for x
    x = 262,538,916,023,114,784/554,799,589.95
  6. Step 6: Final answer
    x = 473,213,969.11

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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.