Home / 549,072,783.62-823,608,514.45-140,128,977.86

Finding the Fourth Proportional to 549,072,783.62, 823,608,514.45 and 140,128,977.86

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Solution

The fourth proportional to 549,072,783.62, 823,608,514.45 and 140,128,977.86 is: 210,193,298.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,072,783.62 : 823,608,514.45 = 140,128,977.86 : x
  2. Step 2: Convert to fraction form
    549,072,783.62/823,608,514.45 = 140,128,977.86/x
  3. Step 3: Cross multiply
    549,072,783.62x = 823,608,514.45 × 140,128,977.86
  4. Step 4: Simplify right side
    549,072,783.62x = 115,411,419,286,671,552
  5. Step 5: Solve for x
    x = 115,411,419,286,671,552/549,072,783.62
  6. Step 6: Final answer
    x = 210,193,298.10

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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.