Home / 758,454,065.40-1,137,681,100.80-213,195,599.40

Finding the Fourth Proportional to 758,454,065.40, 1,137,681,100.80 and 213,195,599.40

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Solution

The fourth proportional to 758,454,065.40, 1,137,681,100.80 and 213,195,599.40 is: 319,793,399.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,454,065.40 : 1,137,681,100.80 = 213,195,599.40 : x
  2. Step 2: Convert to fraction form
    758,454,065.40/1,137,681,100.80 = 213,195,599.40/x
  3. Step 3: Cross multiply
    758,454,065.40x = 1,137,681,100.80 × 213,195,599.40
  4. Step 4: Simplify right side
    758,454,065.40x = 242,548,604,211,107,808
  5. Step 5: Solve for x
    x = 242,548,604,211,107,808/758,454,065.40
  6. Step 6: Final answer
    x = 319,793,399.86

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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.