Home / 366,606,907.30-549,910,360.95-319,255,514.20

Finding the Fourth Proportional to 366,606,907.30, 549,910,360.95 and 319,255,514.20

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Solution

The fourth proportional to 366,606,907.30, 549,910,360.95 and 319,255,514.20 is: 478,883,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,606,907.30 : 549,910,360.95 = 319,255,514.20 : x
  2. Step 2: Convert to fraction form
    366,606,907.30/549,910,360.95 = 319,255,514.20/x
  3. Step 3: Cross multiply
    366,606,907.30x = 549,910,360.95 × 319,255,514.20
  4. Step 4: Simplify right side
    366,606,907.30x = 175,561,915,048,999,872
  5. Step 5: Solve for x
    x = 175,561,915,048,999,872/366,606,907.30
  6. Step 6: Final answer
    x = 478,883,271.30

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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.