Home / 758,286,208.40-1,137,429,312.60-620,536,701.20

Finding the Fourth Proportional to 758,286,208.40, 1,137,429,312.60 and 620,536,701.20

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Solution

The fourth proportional to 758,286,208.40, 1,137,429,312.60 and 620,536,701.20 is: 930,805,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,286,208.40 : 1,137,429,312.60 = 620,536,701.20 : x
  2. Step 2: Convert to fraction form
    758,286,208.40/1,137,429,312.60 = 620,536,701.20/x
  3. Step 3: Cross multiply
    758,286,208.40x = 1,137,429,312.60 × 620,536,701.20
  4. Step 4: Simplify right side
    758,286,208.40x = 705,816,633,488,987,648
  5. Step 5: Solve for x
    x = 705,816,633,488,987,648/758,286,208.40
  6. Step 6: Final answer
    x = 930,805,051.80

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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.