Home / 549,376,647.90-824,064,971.85-507,286,520.70

Finding the Fourth Proportional to 549,376,647.90, 824,064,971.85 and 507,286,520.70

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Solution

The fourth proportional to 549,376,647.90, 824,064,971.85 and 507,286,520.70 is: 760,929,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,376,647.90 : 824,064,971.85 = 507,286,520.70 : x
  2. Step 2: Convert to fraction form
    549,376,647.90/824,064,971.85 = 507,286,520.70/x
  3. Step 3: Cross multiply
    549,376,647.90x = 824,064,971.85 × 507,286,520.70
  4. Step 4: Simplify right side
    549,376,647.90x = 418,037,052,400,529,920
  5. Step 5: Solve for x
    x = 418,037,052,400,529,920/549,376,647.90
  6. Step 6: Final answer
    x = 760,929,781.05

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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.