Home / 1,102,811,100.60-1,521,879,325.74-607,773,816.12

Finding the Fourth Proportional to 1,102,811,100.60, 1,521,879,325.74 and 607,773,816.12

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Solution

The fourth proportional to 1,102,811,100.60, 1,521,879,325.74 and 607,773,816.12 is: 838,727,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,811,100.60 : 1,521,879,325.74 = 607,773,816.12 : x
  2. Step 2: Convert to fraction form
    1,102,811,100.60/1,521,879,325.74 = 607,773,816.12/x
  3. Step 3: Cross multiply
    1,102,811,100.60x = 1,521,879,325.74 × 607,773,816.12
  4. Step 4: Simplify right side
    1,102,811,100.60x = 924,958,405,479,132,416
  5. Step 5: Solve for x
    x = 924,958,405,479,132,416/1,102,811,100.60
  6. Step 6: Final answer
    x = 838,727,870.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.