Home / 3,785,868,721.89-5,224,402,586.31-2,115,130,410.99

Finding the Fourth Proportional to 3,785,868,721.89, 5,224,402,586.31 and 2,115,130,410.99

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Solution

The fourth proportional to 3,785,868,721.89, 5,224,402,586.31 and 2,115,130,410.99 is: 2,918,826,193.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785,868,721.89 : 5,224,402,586.31 = 2,115,130,410.99 : x
  2. Step 2: Convert to fraction form
    3,785,868,721.89/5,224,402,586.31 = 2,115,130,410.99/x
  3. Step 3: Cross multiply
    3,785,868,721.89x = 5,224,402,586.31 × 2,115,130,410.99
  4. Step 4: Simplify right side
    3,785,868,721.89x = 11,050,292,789,559,091,200
  5. Step 5: Solve for x
    x = 11,050,292,789,559,091,200/3,785,868,721.89
  6. Step 6: Final answer
    x = 2,918,826,193.22

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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.