Home / 258,344,527,206.40-387,516,790,809.60-258,344,527,206.40

Finding the Fourth Proportional to 258,344,527,206.40, 387,516,790,809.60 and 258,344,527,206.40

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Solution

The fourth proportional to 258,344,527,206.40, 387,516,790,809.60 and 258,344,527,206.40 is: 387,516,790,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,344,527,206.40 : 387,516,790,809.60 = 258,344,527,206.40 : x
  2. Step 2: Convert to fraction form
    258,344,527,206.40/387,516,790,809.60 = 258,344,527,206.40/x
  3. Step 3: Cross multiply
    258,344,527,206.40x = 387,516,790,809.60 × 258,344,527,206.40
  4. Step 4: Simplify right side
    258,344,527,206.40x = 100,112,842,106,247,523,074,048
  5. Step 5: Solve for x
    x = 100,112,842,106,247,523,074,048/258,344,527,206.40
  6. Step 6: Final answer
    x = 387,516,790,809.60

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1.5x scale

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.