Home / 469,888,021.20-704,832,031.80-286,222,011.60

Finding the Fourth Proportional to 469,888,021.20, 704,832,031.80 and 286,222,011.60

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Solution

The fourth proportional to 469,888,021.20, 704,832,031.80 and 286,222,011.60 is: 429,333,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,888,021.20 : 704,832,031.80 = 286,222,011.60 : x
  2. Step 2: Convert to fraction form
    469,888,021.20/704,832,031.80 = 286,222,011.60/x
  3. Step 3: Cross multiply
    469,888,021.20x = 704,832,031.80 × 286,222,011.60
  4. Step 4: Simplify right side
    469,888,021.20x = 201,738,441,981,911,168
  5. Step 5: Solve for x
    x = 201,738,441,981,911,168/469,888,021.20
  6. Step 6: Final answer
    x = 429,333,017.40

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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.