Home / 743,118,086.70-1,114,677,130.05-306,193,868.55

Finding the Fourth Proportional to 743,118,086.70, 1,114,677,130.05 and 306,193,868.55

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Solution

The fourth proportional to 743,118,086.70, 1,114,677,130.05 and 306,193,868.55 is: 459,290,802.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,118,086.70 : 1,114,677,130.05 = 306,193,868.55 : x
  2. Step 2: Convert to fraction form
    743,118,086.70/1,114,677,130.05 = 306,193,868.55/x
  3. Step 3: Cross multiply
    743,118,086.70x = 1,114,677,130.05 × 306,193,868.55
  4. Step 4: Simplify right side
    743,118,086.70x = 341,307,302,634,220,928
  5. Step 5: Solve for x
    x = 341,307,302,634,220,928/743,118,086.70
  6. Step 6: Final answer
    x = 459,290,802.83

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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.