Home / 278,326,294.84-384,079,764.27-154,574,943.58

Finding the Fourth Proportional to 278,326,294.84, 384,079,764.27 and 154,574,943.58

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Solution

The fourth proportional to 278,326,294.84, 384,079,764.27 and 154,574,943.58 is: 213,307,578.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,326,294.84 : 384,079,764.27 = 154,574,943.58 : x
  2. Step 2: Convert to fraction form
    278,326,294.84/384,079,764.27 = 154,574,943.58/x
  3. Step 3: Cross multiply
    278,326,294.84x = 384,079,764.27 × 154,574,943.58
  4. Step 4: Simplify right side
    278,326,294.84x = 59,369,107,892,254,952
  5. Step 5: Solve for x
    x = 59,369,107,892,254,952/278,326,294.84
  6. Step 6: Final answer
    x = 213,307,578.17

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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.