Home / 346,384,433.19-478,006,709.72-187,610,606.42

Finding the Fourth Proportional to 346,384,433.19, 478,006,709.72 and 187,610,606.42

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Solution

The fourth proportional to 346,384,433.19, 478,006,709.72 and 187,610,606.42 is: 258,900,574.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,384,433.19 : 478,006,709.72 = 187,610,606.42 : x
  2. Step 2: Convert to fraction form
    346,384,433.19/478,006,709.72 = 187,610,606.42/x
  3. Step 3: Cross multiply
    346,384,433.19x = 478,006,709.72 × 187,610,606.42
  4. Step 4: Simplify right side
    346,384,433.19x = 89,679,128,683,398,112
  5. Step 5: Solve for x
    x = 89,679,128,683,398,112/346,384,433.19
  6. Step 6: Final answer
    x = 258,900,574.31

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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.