Home / 488,318,698.42-673,713,139.71-302,611,955.38

Finding the Fourth Proportional to 488,318,698.42, 673,713,139.71 and 302,611,955.38

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Solution

The fourth proportional to 488,318,698.42, 673,713,139.71 and 302,611,955.38 is: 417,501,216.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,318,698.42 : 673,713,139.71 = 302,611,955.38 : x
  2. Step 2: Convert to fraction form
    488,318,698.42/673,713,139.71 = 302,611,955.38/x
  3. Step 3: Cross multiply
    488,318,698.42x = 673,713,139.71 × 302,611,955.38
  4. Step 4: Simplify right side
    488,318,698.42x = 203,873,650,572,842,240
  5. Step 5: Solve for x
    x = 203,873,650,572,842,240/488,318,698.42
  6. Step 6: Final answer
    x = 417,501,216.38

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1.5x scale

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.