Home / 403,477,416.30-605,216,124.45-265,727,909.10

Finding the Fourth Proportional to 403,477,416.30, 605,216,124.45 and 265,727,909.10

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Solution

The fourth proportional to 403,477,416.30, 605,216,124.45 and 265,727,909.10 is: 398,591,863.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,477,416.30 : 605,216,124.45 = 265,727,909.10 : x
  2. Step 2: Convert to fraction form
    403,477,416.30/605,216,124.45 = 265,727,909.10/x
  3. Step 3: Cross multiply
    403,477,416.30x = 605,216,124.45 × 265,727,909.10
  4. Step 4: Simplify right side
    403,477,416.30x = 160,822,815,303,703,904
  5. Step 5: Solve for x
    x = 160,822,815,303,703,904/403,477,416.30
  6. Step 6: Final answer
    x = 398,591,863.65

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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.