Home / 1,137,514,889.42-1,706,336,106.72-319,563,418.22

Finding the Fourth Proportional to 1,137,514,889.42, 1,706,336,106.72 and 319,563,418.22

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Solution

The fourth proportional to 1,137,514,889.42, 1,706,336,106.72 and 319,563,418.22 is: 479,363,043.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,514,889.42 : 1,706,336,106.72 = 319,563,418.22 : x
  2. Step 2: Convert to fraction form
    1,137,514,889.42/1,706,336,106.72 = 319,563,418.22/x
  3. Step 3: Cross multiply
    1,137,514,889.42x = 1,706,336,106.72 × 319,563,418.22
  4. Step 4: Simplify right side
    1,137,514,889.42x = 545,282,598,895,649,984
  5. Step 5: Solve for x
    x = 545,282,598,895,649,984/1,137,514,889.42
  6. Step 6: Final answer
    x = 479,363,043.04

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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.