Home / 518,886,514.02-716,063,382-283,937,167.61

Finding the Fourth Proportional to 518,886,514.02, 716,063,382 and 283,937,167.61

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Solution

The fourth proportional to 518,886,514.02, 716,063,382 and 283,937,167.61 is: 391,833,287.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,886,514.02 : 716,063,382 = 283,937,167.61 : x
  2. Step 2: Convert to fraction form
    518,886,514.02/716,063,382 = 283,937,167.61/x
  3. Step 3: Cross multiply
    518,886,514.02x = 716,063,382 × 283,937,167.61
  4. Step 4: Simplify right side
    518,886,514.02x = 203,317,008,514,317,472
  5. Step 5: Solve for x
    x = 203,317,008,514,317,472/518,886,514.02
  6. Step 6: Final answer
    x = 391,833,287.28

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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.