Home / 679,853,624.40-1,018,436,743.80-372,595,870.80

Finding the Fourth Proportional to 679,853,624.40, 1,018,436,743.80 and 372,595,870.80

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Solution

The fourth proportional to 679,853,624.40, 1,018,436,743.80 and 372,595,870.80 is: 558,157,391.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,853,624.40 : 1,018,436,743.80 = 372,595,870.80 : x
  2. Step 2: Convert to fraction form
    679,853,624.40/1,018,436,743.80 = 372,595,870.80/x
  3. Step 3: Cross multiply
    679,853,624.40x = 1,018,436,743.80 × 372,595,870.80
  4. Step 4: Simplify right side
    679,853,624.40x = 379,465,325,410,877,504
  5. Step 5: Solve for x
    x = 379,465,325,410,877,504/679,853,624.40
  6. Step 6: Final answer
    x = 558,157,391.23

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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.