Home / 470,136,998.40-705,205,497.60-341,142,489.60

Finding the Fourth Proportional to 470,136,998.40, 705,205,497.60 and 341,142,489.60

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Solution

The fourth proportional to 470,136,998.40, 705,205,497.60 and 341,142,489.60 is: 511,713,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,136,998.40 : 705,205,497.60 = 341,142,489.60 : x
  2. Step 2: Convert to fraction form
    470,136,998.40/705,205,497.60 = 341,142,489.60/x
  3. Step 3: Cross multiply
    470,136,998.40x = 705,205,497.60 × 341,142,489.60
  4. Step 4: Simplify right side
    470,136,998.40x = 240,575,559,130,870,848
  5. Step 5: Solve for x
    x = 240,575,559,130,870,848/470,136,998.40
  6. Step 6: Final answer
    x = 511,713,734.40

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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.