Home / 346,384,431.56-478,006,707.48-187,610,604.80

Finding the Fourth Proportional to 346,384,431.56, 478,006,707.48 and 187,610,604.80

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Solution

The fourth proportional to 346,384,431.56, 478,006,707.48 and 187,610,604.80 is: 258,900,572.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,384,431.56 : 478,006,707.48 = 187,610,604.80 : x
  2. Step 2: Convert to fraction form
    346,384,431.56/478,006,707.48 = 187,610,604.80/x
  3. Step 3: Cross multiply
    346,384,431.56x = 478,006,707.48 × 187,610,604.80
  4. Step 4: Simplify right side
    346,384,431.56x = 89,679,127,485,685,904
  5. Step 5: Solve for x
    x = 89,679,127,485,685,904/346,384,431.56
  6. Step 6: Final answer
    x = 258,900,572.06

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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.