Home / 1,020,307,555.04-1,530,704,208.69-330,214,808.97

Finding the Fourth Proportional to 1,020,307,555.04, 1,530,704,208.69 and 330,214,808.97

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Solution

The fourth proportional to 1,020,307,555.04, 1,530,704,208.69 and 330,214,808.97 is: 495,400,818.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,307,555.04 : 1,530,704,208.69 = 330,214,808.97 : x
  2. Step 2: Convert to fraction form
    1,020,307,555.04/1,530,704,208.69 = 330,214,808.97/x
  3. Step 3: Cross multiply
    1,020,307,555.04x = 1,530,704,208.69 × 330,214,808.97
  4. Step 4: Simplify right side
    1,020,307,555.04x = 505,461,197,862,143,424
  5. Step 5: Solve for x
    x = 505,461,197,862,143,424/1,020,307,555.04
  6. Step 6: Final answer
    x = 495,400,818.48

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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.