Home / 525,564,037.20-788,346,055.80-253,466,245.20

Finding the Fourth Proportional to 525,564,037.20, 788,346,055.80 and 253,466,245.20

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Solution

The fourth proportional to 525,564,037.20, 788,346,055.80 and 253,466,245.20 is: 380,199,367.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,564,037.20 : 788,346,055.80 = 253,466,245.20 : x
  2. Step 2: Convert to fraction form
    525,564,037.20/788,346,055.80 = 253,466,245.20/x
  3. Step 3: Cross multiply
    525,564,037.20x = 788,346,055.80 × 253,466,245.20
  4. Step 4: Simplify right side
    525,564,037.20x = 199,819,114,681,855,648
  5. Step 5: Solve for x
    x = 199,819,114,681,855,648/525,564,037.20
  6. Step 6: Final answer
    x = 380,199,367.80

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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.