Home / 664,317,020.40-996,475,530.60-358,207,004.40

Finding the Fourth Proportional to 664,317,020.40, 996,475,530.60 and 358,207,004.40

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Solution

The fourth proportional to 664,317,020.40, 996,475,530.60 and 358,207,004.40 is: 537,310,506.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,317,020.40 : 996,475,530.60 = 358,207,004.40 : x
  2. Step 2: Convert to fraction form
    664,317,020.40/996,475,530.60 = 358,207,004.40/x
  3. Step 3: Cross multiply
    664,317,020.40x = 996,475,530.60 × 358,207,004.40
  4. Step 4: Simplify right side
    664,317,020.40x = 356,944,514,774,126,528
  5. Step 5: Solve for x
    x = 356,944,514,774,126,528/664,317,020.40
  6. Step 6: Final answer
    x = 537,310,506.60

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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.