Home / 472,465,007.40-659,838,579-472,465,007.40

Finding the Fourth Proportional to 472,465,007.40, 659,838,579 and 472,465,007.40

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Solution

The fourth proportional to 472,465,007.40, 659,838,579 and 472,465,007.40 is: 659,838,579

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,465,007.40 : 659,838,579 = 472,465,007.40 : x
  2. Step 2: Convert to fraction form
    472,465,007.40/659,838,579 = 472,465,007.40/x
  3. Step 3: Cross multiply
    472,465,007.40x = 659,838,579 × 472,465,007.40
  4. Step 4: Simplify right side
    472,465,007.40x = 311,750,639,110,040,448
  5. Step 5: Solve for x
    x = 311,750,639,110,040,448/472,465,007.40
  6. Step 6: Final answer
    x = 659,838,579

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.