Home / 664,317,031.40-996,475,547.10-358,207,015.40

Finding the Fourth Proportional to 664,317,031.40, 996,475,547.10 and 358,207,015.40

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Solution

The fourth proportional to 664,317,031.40, 996,475,547.10 and 358,207,015.40 is: 537,310,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,317,031.40 : 996,475,547.10 = 358,207,015.40 : x
  2. Step 2: Convert to fraction form
    664,317,031.40/996,475,547.10 = 358,207,015.40/x
  3. Step 3: Cross multiply
    664,317,031.40x = 996,475,547.10 × 358,207,015.40
  4. Step 4: Simplify right side
    664,317,031.40x = 356,944,531,645,773,120
  5. Step 5: Solve for x
    x = 356,944,531,645,773,120/664,317,031.40
  6. Step 6: Final answer
    x = 537,310,523.10

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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.