Home / 314,933,641.05-472,400,461.58-199,575,514.65

Finding the Fourth Proportional to 314,933,641.05, 472,400,461.58 and 199,575,514.65

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Solution

The fourth proportional to 314,933,641.05, 472,400,461.58 and 199,575,514.65 is: 299,363,271.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,933,641.05 : 472,400,461.58 = 199,575,514.65 : x
  2. Step 2: Convert to fraction form
    314,933,641.05/472,400,461.58 = 199,575,514.65/x
  3. Step 3: Cross multiply
    314,933,641.05x = 472,400,461.58 × 199,575,514.65
  4. Step 4: Simplify right side
    314,933,641.05x = 94,279,565,239,728,176
  5. Step 5: Solve for x
    x = 94,279,565,239,728,176/314,933,641.05
  6. Step 6: Final answer
    x = 299,363,271.98

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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.