Home / 549,376,648.40-824,064,972.60-507,286,521.20

Finding the Fourth Proportional to 549,376,648.40, 824,064,972.60 and 507,286,521.20

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Solution

The fourth proportional to 549,376,648.40, 824,064,972.60 and 507,286,521.20 is: 760,929,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,376,648.40 : 824,064,972.60 = 507,286,521.20 : x
  2. Step 2: Convert to fraction form
    549,376,648.40/824,064,972.60 = 507,286,521.20/x
  3. Step 3: Cross multiply
    549,376,648.40x = 824,064,972.60 × 507,286,521.20
  4. Step 4: Simplify right side
    549,376,648.40x = 418,037,053,193,027,328
  5. Step 5: Solve for x
    x = 418,037,053,193,027,328/549,376,648.40
  6. Step 6: Final answer
    x = 760,929,781.80

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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.