Home / 549,507,496.40-824,261,244.60-545,681,121.20

Finding the Fourth Proportional to 549,507,496.40, 824,261,244.60 and 545,681,121.20

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Solution

The fourth proportional to 549,507,496.40, 824,261,244.60 and 545,681,121.20 is: 818,521,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,507,496.40 : 824,261,244.60 = 545,681,121.20 : x
  2. Step 2: Convert to fraction form
    549,507,496.40/824,261,244.60 = 545,681,121.20/x
  3. Step 3: Cross multiply
    549,507,496.40x = 824,261,244.60 × 545,681,121.20
  4. Step 4: Simplify right side
    549,507,496.40x = 449,783,800,115,035,520
  5. Step 5: Solve for x
    x = 449,783,800,115,035,520/549,507,496.40
  6. Step 6: Final answer
    x = 818,521,681.80

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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.