Home / 346,328,392.72-477,927,275.08-187,557,225.68

Finding the Fourth Proportional to 346,328,392.72, 477,927,275.08 and 187,557,225.68

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Solution

The fourth proportional to 346,328,392.72, 477,927,275.08 and 187,557,225.68 is: 258,825,772.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,328,392.72 : 477,927,275.08 = 187,557,225.68 : x
  2. Step 2: Convert to fraction form
    346,328,392.72/477,927,275.08 = 187,557,225.68/x
  3. Step 3: Cross multiply
    346,328,392.72x = 477,927,275.08 × 187,557,225.68
  4. Step 4: Simplify right side
    346,328,392.72x = 89,638,713,790,807,008
  5. Step 5: Solve for x
    x = 89,638,713,790,807,008/346,328,392.72
  6. Step 6: Final answer
    x = 258,825,772.52

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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.