Home / 758,388,569.61-1,137,582,854.41-213,130,103.61

Finding the Fourth Proportional to 758,388,569.61, 1,137,582,854.41 and 213,130,103.61

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Solution

The fourth proportional to 758,388,569.61, 1,137,582,854.41 and 213,130,103.61 is: 319,695,155.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,388,569.61 : 1,137,582,854.41 = 213,130,103.61 : x
  2. Step 2: Convert to fraction form
    758,388,569.61/1,137,582,854.41 = 213,130,103.61/x
  3. Step 3: Cross multiply
    758,388,569.61x = 1,137,582,854.41 × 213,130,103.61
  4. Step 4: Simplify right side
    758,388,569.61x = 242,453,151,618,609,248
  5. Step 5: Solve for x
    x = 242,453,151,618,609,248/758,388,569.61
  6. Step 6: Final answer
    x = 319,695,155.41

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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.