Home / 525,806,021.52-725,436,070.08-302,782,896

Finding the Fourth Proportional to 525,806,021.52, 725,436,070.08 and 302,782,896

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Solution

The fourth proportional to 525,806,021.52, 725,436,070.08 and 302,782,896 is: 417,738,909.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,806,021.52 : 725,436,070.08 = 302,782,896 : x
  2. Step 2: Convert to fraction form
    525,806,021.52/725,436,070.08 = 302,782,896/x
  3. Step 3: Cross multiply
    525,806,021.52x = 725,436,070.08 × 302,782,896
  4. Step 4: Simplify right side
    525,806,021.52x = 219,649,634,161,681,376
  5. Step 5: Solve for x
    x = 219,649,634,161,681,376/525,806,021.52
  6. Step 6: Final answer
    x = 417,738,909.73

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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.