Home / 518,886,513.02-716,063,380.62-283,937,166.61

Finding the Fourth Proportional to 518,886,513.02, 716,063,380.62 and 283,937,166.61

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Solution

The fourth proportional to 518,886,513.02, 716,063,380.62 and 283,937,166.61 is: 391,833,285.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,886,513.02 : 716,063,380.62 = 283,937,166.61 : x
  2. Step 2: Convert to fraction form
    518,886,513.02/716,063,380.62 = 283,937,166.61/x
  3. Step 3: Cross multiply
    518,886,513.02x = 716,063,380.62 × 283,937,166.61
  4. Step 4: Simplify right side
    518,886,513.02x = 203,317,007,403,565,888
  5. Step 5: Solve for x
    x = 203,317,007,403,565,888/518,886,513.02
  6. Step 6: Final answer
    x = 391,833,285.89

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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.