Home / 758,238,087.30-1,137,357,130.95-628,991,636.10

Finding the Fourth Proportional to 758,238,087.30, 1,137,357,130.95 and 628,991,636.10

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Solution

The fourth proportional to 758,238,087.30, 1,137,357,130.95 and 628,991,636.10 is: 943,487,454.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,238,087.30 : 1,137,357,130.95 = 628,991,636.10 : x
  2. Step 2: Convert to fraction form
    758,238,087.30/1,137,357,130.95 = 628,991,636.10/x
  3. Step 3: Cross multiply
    758,238,087.30x = 1,137,357,130.95 × 628,991,636.10
  4. Step 4: Simplify right side
    758,238,087.30x = 715,388,122,626,242,560
  5. Step 5: Solve for x
    x = 715,388,122,626,242,560/758,238,087.30
  6. Step 6: Final answer
    x = 943,487,454.15

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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.