Home / 549,376,517.40-824,064,776.10-507,286,390.20

Finding the Fourth Proportional to 549,376,517.40, 824,064,776.10 and 507,286,390.20

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Solution

The fourth proportional to 549,376,517.40, 824,064,776.10 and 507,286,390.20 is: 760,929,585.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,376,517.40 : 824,064,776.10 = 507,286,390.20 : x
  2. Step 2: Convert to fraction form
    549,376,517.40/824,064,776.10 = 507,286,390.20/x
  3. Step 3: Cross multiply
    549,376,517.40x = 824,064,776.10 × 507,286,390.20
  4. Step 4: Simplify right side
    549,376,517.40x = 418,036,845,558,740,224
  5. Step 5: Solve for x
    x = 418,036,845,558,740,224/549,376,517.40
  6. Step 6: Final answer
    x = 760,929,585.30

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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.