Home / 758,388,569.36-1,137,582,854.03-213,130,103.36

Finding the Fourth Proportional to 758,388,569.36, 1,137,582,854.03 and 213,130,103.36

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Solution

The fourth proportional to 758,388,569.36, 1,137,582,854.03 and 213,130,103.36 is: 319,695,155.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,388,569.36 : 1,137,582,854.03 = 213,130,103.36 : x
  2. Step 2: Convert to fraction form
    758,388,569.36/1,137,582,854.03 = 213,130,103.36/x
  3. Step 3: Cross multiply
    758,388,569.36x = 1,137,582,854.03 × 213,130,103.36
  4. Step 4: Simplify right side
    758,388,569.36x = 242,453,151,254,289,760
  5. Step 5: Solve for x
    x = 242,453,151,254,289,760/758,388,569.36
  6. Step 6: Final answer
    x = 319,695,155.03

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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.