Home / 354,433,250.10-531,649,875.15-208,717,230.90

Finding the Fourth Proportional to 354,433,250.10, 531,649,875.15 and 208,717,230.90

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Solution

The fourth proportional to 354,433,250.10, 531,649,875.15 and 208,717,230.90 is: 313,075,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,433,250.10 : 531,649,875.15 = 208,717,230.90 : x
  2. Step 2: Convert to fraction form
    354,433,250.10/531,649,875.15 = 208,717,230.90/x
  3. Step 3: Cross multiply
    354,433,250.10x = 531,649,875.15 × 208,717,230.90
  4. Step 4: Simplify right side
    354,433,250.10x = 110,964,489,749,638,720
  5. Step 5: Solve for x
    x = 110,964,489,749,638,720/354,433,250.10
  6. Step 6: Final answer
    x = 313,075,846.35

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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.