Home / 470,080,657.60-705,120,986.40-286,144,043.20

Finding the Fourth Proportional to 470,080,657.60, 705,120,986.40 and 286,144,043.20

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Solution

The fourth proportional to 470,080,657.60, 705,120,986.40 and 286,144,043.20 is: 429,216,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,080,657.60 : 705,120,986.40 = 286,144,043.20 : x
  2. Step 2: Convert to fraction form
    470,080,657.60/705,120,986.40 = 286,144,043.20/x
  3. Step 3: Cross multiply
    470,080,657.60x = 705,120,986.40 × 286,144,043.20
  4. Step 4: Simplify right side
    470,080,657.60x = 201,766,169,993,668,192
  5. Step 5: Solve for x
    x = 201,766,169,993,668,192/470,080,657.60
  6. Step 6: Final answer
    x = 429,216,064.80

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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.