Home / 690,208,715-1,035,334,330.14-301,831,632.20

Finding the Fourth Proportional to 690,208,715, 1,035,334,330.14 and 301,831,632.20

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Solution

The fourth proportional to 690,208,715, 1,035,334,330.14 and 301,831,632.20 is: 452,756,744.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,208,715 : 1,035,334,330.14 = 301,831,632.20 : x
  2. Step 2: Convert to fraction form
    690,208,715/1,035,334,330.14 = 301,831,632.20/x
  3. Step 3: Cross multiply
    690,208,715x = 1,035,334,330.14 × 301,831,632.20
  4. Step 4: Simplify right side
    690,208,715x = 312,496,650,738,849,856
  5. Step 5: Solve for x
    x = 312,496,650,738,849,856/690,208,715
  6. Step 6: Final answer
    x = 452,756,744.37

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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.