Home / 258,620,045,140.80-387,930,067,711.20-152,828,423,611.20

Finding the Fourth Proportional to 258,620,045,140.80, 387,930,067,711.20 and 152,828,423,611.20

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Solution

The fourth proportional to 258,620,045,140.80, 387,930,067,711.20 and 152,828,423,611.20 is: 229,242,635,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,620,045,140.80 : 387,930,067,711.20 = 152,828,423,611.20 : x
  2. Step 2: Convert to fraction form
    258,620,045,140.80/387,930,067,711.20 = 152,828,423,611.20/x
  3. Step 3: Cross multiply
    258,620,045,140.80x = 387,930,067,711.20 × 152,828,423,611.20
  4. Step 4: Simplify right side
    258,620,045,140.80x = 59,286,740,719,688,780,611,584
  5. Step 5: Solve for x
    x = 59,286,740,719,688,780,611,584/258,620,045,140.80
  6. Step 6: Final answer
    x = 229,242,635,416.80

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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.