Home / 470,348,139.60-705,476,588.46-142,826,486.04

Finding the Fourth Proportional to 470,348,139.60, 705,476,588.46 and 142,826,486.04

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Solution

The fourth proportional to 470,348,139.60, 705,476,588.46 and 142,826,486.04 is: 214,225,875.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,348,139.60 : 705,476,588.46 = 142,826,486.04 : x
  2. Step 2: Convert to fraction form
    470,348,139.60/705,476,588.46 = 142,826,486.04/x
  3. Step 3: Cross multiply
    470,348,139.60x = 705,476,588.46 × 142,826,486.04
  4. Step 4: Simplify right side
    470,348,139.60x = 100,760,742,113,229,008
  5. Step 5: Solve for x
    x = 100,760,742,113,229,008/470,348,139.60
  6. Step 6: Final answer
    x = 214,225,875.75

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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.