Home / 307,892,599.20-424,730,699.28-190,380,365.28

Finding the Fourth Proportional to 307,892,599.20, 424,730,699.28 and 190,380,365.28

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Solution

The fourth proportional to 307,892,599.20, 424,730,699.28 and 190,380,365.28 is: 262,625,298.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,892,599.20 : 424,730,699.28 = 190,380,365.28 : x
  2. Step 2: Convert to fraction form
    307,892,599.20/424,730,699.28 = 190,380,365.28/x
  3. Step 3: Cross multiply
    307,892,599.20x = 424,730,699.28 × 190,380,365.28
  4. Step 4: Simplify right side
    307,892,599.20x = 80,860,385,674,556,224
  5. Step 5: Solve for x
    x = 80,860,385,674,556,224/307,892,599.20
  6. Step 6: Final answer
    x = 262,625,298.19

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1.5x scale

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.