Home / 590,516,986.80-885,775,480.20-153,816,826.80

Finding the Fourth Proportional to 590,516,986.80, 885,775,480.20 and 153,816,826.80

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Solution

The fourth proportional to 590,516,986.80, 885,775,480.20 and 153,816,826.80 is: 230,725,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,516,986.80 : 885,775,480.20 = 153,816,826.80 : x
  2. Step 2: Convert to fraction form
    590,516,986.80/885,775,480.20 = 153,816,826.80/x
  3. Step 3: Cross multiply
    590,516,986.80x = 885,775,480.20 × 153,816,826.80
  4. Step 4: Simplify right side
    590,516,986.80x = 136,247,173,621,610,240
  5. Step 5: Solve for x
    x = 136,247,173,621,610,240/590,516,986.80
  6. Step 6: Final answer
    x = 230,725,240.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.