Home / 413,265,339.54-618,442,041.42-257,892,253.74

Finding the Fourth Proportional to 413,265,339.54, 618,442,041.42 and 257,892,253.74

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Solution

The fourth proportional to 413,265,339.54, 618,442,041.42 and 257,892,253.74 is: 385,929,804.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,265,339.54 : 618,442,041.42 = 257,892,253.74 : x
  2. Step 2: Convert to fraction form
    413,265,339.54/618,442,041.42 = 257,892,253.74/x
  3. Step 3: Cross multiply
    413,265,339.54x = 618,442,041.42 × 257,892,253.74
  4. Step 4: Simplify right side
    413,265,339.54x = 159,491,411,869,370,240
  5. Step 5: Solve for x
    x = 159,491,411,869,370,240/413,265,339.54
  6. Step 6: Final answer
    x = 385,929,804.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.