Home / 1,223,960,138.24-1,689,070,710.71-695,353,130.41

Finding the Fourth Proportional to 1,223,960,138.24, 1,689,070,710.71 and 695,353,130.41

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Solution

The fourth proportional to 1,223,960,138.24, 1,689,070,710.71 and 695,353,130.41 is: 959,590,569.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,960,138.24 : 1,689,070,710.71 = 695,353,130.41 : x
  2. Step 2: Convert to fraction form
    1,223,960,138.24/1,689,070,710.71 = 695,353,130.41/x
  3. Step 3: Cross multiply
    1,223,960,138.24x = 1,689,070,710.71 × 695,353,130.41
  4. Step 4: Simplify right side
    1,223,960,138.24x = 1,174,500,606,174,878,976
  5. Step 5: Solve for x
    x = 1,174,500,606,174,878,976/1,223,960,138.24
  6. Step 6: Final answer
    x = 959,590,569.56

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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.