Home / 280,797,689,665.71-387,501,554,847.59-152,339,134,288.23

Finding the Fourth Proportional to 280,797,689,665.71, 387,501,554,847.59 and 152,339,134,288.23

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Solution

The fourth proportional to 280,797,689,665.71, 387,501,554,847.59 and 152,339,134,288.23 is: 210,228,408,471.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,797,689,665.71 : 387,501,554,847.59 = 152,339,134,288.23 : x
  2. Step 2: Convert to fraction form
    280,797,689,665.71/387,501,554,847.59 = 152,339,134,288.23/x
  3. Step 3: Cross multiply
    280,797,689,665.71x = 387,501,554,847.59 × 152,339,134,288.23
  4. Step 4: Simplify right side
    280,797,689,665.71x = 59,031,651,400,824,941,182,976
  5. Step 5: Solve for x
    x = 59,031,651,400,824,941,182,976/280,797,689,665.71
  6. Step 6: Final answer
    x = 210,228,408,471.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.