Home / 356,466,155.40-534,699,233.10-343,552,139.10

Finding the Fourth Proportional to 356,466,155.40, 534,699,233.10 and 343,552,139.10

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Solution

The fourth proportional to 356,466,155.40, 534,699,233.10 and 343,552,139.10 is: 515,328,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,466,155.40 : 534,699,233.10 = 343,552,139.10 : x
  2. Step 2: Convert to fraction form
    356,466,155.40/534,699,233.10 = 343,552,139.10/x
  3. Step 3: Cross multiply
    356,466,155.40x = 534,699,233.10 × 343,552,139.10
  4. Step 4: Simplify right side
    356,466,155.40x = 183,697,065,306,634,560
  5. Step 5: Solve for x
    x = 183,697,065,306,634,560/356,466,155.40
  6. Step 6: Final answer
    x = 515,328,208.65

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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.