Home / 620,630,238.80-931,172,362.86-288,795,510.02

Finding the Fourth Proportional to 620,630,238.80, 931,172,362.86 and 288,795,510.02

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Solution

The fourth proportional to 620,630,238.80, 931,172,362.86 and 288,795,510.02 is: 433,298,896.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,630,238.80 : 931,172,362.86 = 288,795,510.02 : x
  2. Step 2: Convert to fraction form
    620,630,238.80/931,172,362.86 = 288,795,510.02/x
  3. Step 3: Cross multiply
    620,630,238.80x = 931,172,362.86 × 288,795,510.02
  4. Step 4: Simplify right side
    620,630,238.80x = 268,918,397,448,682,208
  5. Step 5: Solve for x
    x = 268,918,397,448,682,208/620,630,238.80
  6. Step 6: Final answer
    x = 433,298,896.25

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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.