Home / 1,223,960,139.24-1,689,070,712.09-695,353,131.41

Finding the Fourth Proportional to 1,223,960,139.24, 1,689,070,712.09 and 695,353,131.41

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Solution

The fourth proportional to 1,223,960,139.24, 1,689,070,712.09 and 695,353,131.41 is: 959,590,570.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,960,139.24 : 1,689,070,712.09 = 695,353,131.41 : x
  2. Step 2: Convert to fraction form
    1,223,960,139.24/1,689,070,712.09 = 695,353,131.41/x
  3. Step 3: Cross multiply
    1,223,960,139.24x = 1,689,070,712.09 × 695,353,131.41
  4. Step 4: Simplify right side
    1,223,960,139.24x = 1,174,500,608,824,699,904
  5. Step 5: Solve for x
    x = 1,174,500,608,824,699,904/1,223,960,139.24
  6. Step 6: Final answer
    x = 959,590,570.94

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Double scale
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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.