Home / 470,169,984.60-705,254,976.90-340,503,629.40

Finding the Fourth Proportional to 470,169,984.60, 705,254,976.90 and 340,503,629.40

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Solution

The fourth proportional to 470,169,984.60, 705,254,976.90 and 340,503,629.40 is: 510,755,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,169,984.60 : 705,254,976.90 = 340,503,629.40 : x
  2. Step 2: Convert to fraction form
    470,169,984.60/705,254,976.90 = 340,503,629.40/x
  3. Step 3: Cross multiply
    470,169,984.60x = 705,254,976.90 × 340,503,629.40
  4. Step 4: Simplify right side
    470,169,984.60x = 240,141,879,286,863,136
  5. Step 5: Solve for x
    x = 240,141,879,286,863,136/470,169,984.60
  6. Step 6: Final answer
    x = 510,755,444.10

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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.