Home / 734,640,778.51-1,013,804,274.67-404,615,917.51

Finding the Fourth Proportional to 734,640,778.51, 1,013,804,274.67 and 404,615,917.51

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Solution

The fourth proportional to 734,640,778.51, 1,013,804,274.67 and 404,615,917.51 is: 558,369,966.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,640,778.51 : 1,013,804,274.67 = 404,615,917.51 : x
  2. Step 2: Convert to fraction form
    734,640,778.51/1,013,804,274.67 = 404,615,917.51/x
  3. Step 3: Cross multiply
    734,640,778.51x = 1,013,804,274.67 × 404,615,917.51
  4. Step 4: Simplify right side
    734,640,778.51x = 410,201,346,767,616,064
  5. Step 5: Solve for x
    x = 410,201,346,767,616,064/734,640,778.51
  6. Step 6: Final answer
    x = 558,369,966.34

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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.