Home / 518,275,434.58-711,413,013.57-458,222,601.58

Finding the Fourth Proportional to 518,275,434.58, 711,413,013.57 and 458,222,601.58

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Solution

The fourth proportional to 518,275,434.58, 711,413,013.57 and 458,222,601.58 is: 628,981,233.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,275,434.58 : 711,413,013.57 = 458,222,601.58 : x
  2. Step 2: Convert to fraction form
    518,275,434.58/711,413,013.57 = 458,222,601.58/x
  3. Step 3: Cross multiply
    518,275,434.58x = 711,413,013.57 × 458,222,601.58
  4. Step 4: Simplify right side
    518,275,434.58x = 325,985,521,875,913,280
  5. Step 5: Solve for x
    x = 325,985,521,875,913,280/518,275,434.58
  6. Step 6: Final answer
    x = 628,981,233.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.