Home / 618,618,530.94-928,510,926.87-225,525,303.69

Finding the Fourth Proportional to 618,618,530.94, 928,510,926.87 and 225,525,303.69

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Solution

The fourth proportional to 618,618,530.94, 928,510,926.87 and 225,525,303.69 is: 338,500,543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,618,530.94 : 928,510,926.87 = 225,525,303.69 : x
  2. Step 2: Convert to fraction form
    618,618,530.94/928,510,926.87 = 225,525,303.69/x
  3. Step 3: Cross multiply
    618,618,530.94x = 928,510,926.87 × 225,525,303.69
  4. Step 4: Simplify right side
    618,618,530.94x = 209,402,708,763,901,280
  5. Step 5: Solve for x
    x = 209,402,708,763,901,280/618,618,530.94
  6. Step 6: Final answer
    x = 338,500,543.21

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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.