Home / 1,223,960,136.48-1,689,070,708.29-695,353,128.65

Finding the Fourth Proportional to 1,223,960,136.48, 1,689,070,708.29 and 695,353,128.65

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Solution

The fourth proportional to 1,223,960,136.48, 1,689,070,708.29 and 695,353,128.65 is: 959,590,567.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,960,136.48 : 1,689,070,708.29 = 695,353,128.65 : x
  2. Step 2: Convert to fraction form
    1,223,960,136.48/1,689,070,708.29 = 695,353,128.65/x
  3. Step 3: Cross multiply
    1,223,960,136.48x = 1,689,070,708.29 × 695,353,128.65
  4. Step 4: Simplify right side
    1,223,960,136.48x = 1,174,500,601,524,858,880
  5. Step 5: Solve for x
    x = 1,174,500,601,524,858,880/1,223,960,136.48
  6. Step 6: Final answer
    x = 959,590,567.14

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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.