Home / 346,426,301.61-478,064,310.74-187,653,393.04

Finding the Fourth Proportional to 346,426,301.61, 478,064,310.74 and 187,653,393.04

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Solution

The fourth proportional to 346,426,301.61, 478,064,310.74 and 187,653,393.04 is: 258,959,523.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,426,301.61 : 478,064,310.74 = 187,653,393.04 : x
  2. Step 2: Convert to fraction form
    346,426,301.61/478,064,310.74 = 187,653,393.04/x
  3. Step 3: Cross multiply
    346,426,301.61x = 478,064,310.74 × 187,653,393.04
  4. Step 4: Simplify right side
    346,426,301.61x = 89,710,390,001,689,904
  5. Step 5: Solve for x
    x = 89,710,390,001,689,904/346,426,301.61
  6. Step 6: Final answer
    x = 258,959,523.53

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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.