Home / 1,020,545,030.57-1,531,040,802.10-330,522,036.17

Finding the Fourth Proportional to 1,020,545,030.57, 1,531,040,802.10 and 330,522,036.17

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Solution

The fourth proportional to 1,020,545,030.57, 1,531,040,802.10 and 330,522,036.17 is: 495,855,359.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,545,030.57 : 1,531,040,802.10 = 330,522,036.17 : x
  2. Step 2: Convert to fraction form
    1,020,545,030.57/1,531,040,802.10 = 330,522,036.17/x
  3. Step 3: Cross multiply
    1,020,545,030.57x = 1,531,040,802.10 × 330,522,036.17
  4. Step 4: Simplify right side
    1,020,545,030.57x = 506,042,723,360,960,576
  5. Step 5: Solve for x
    x = 506,042,723,360,960,576/1,020,545,030.57
  6. Step 6: Final answer
    x = 495,855,359.84

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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.