Home / 409,316,501.70-613,974,752.55-225,012,762.90

Finding the Fourth Proportional to 409,316,501.70, 613,974,752.55 and 225,012,762.90

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Solution

The fourth proportional to 409,316,501.70, 613,974,752.55 and 225,012,762.90 is: 337,519,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,316,501.70 : 613,974,752.55 = 225,012,762.90 : x
  2. Step 2: Convert to fraction form
    409,316,501.70/613,974,752.55 = 225,012,762.90/x
  3. Step 3: Cross multiply
    409,316,501.70x = 613,974,752.55 × 225,012,762.90
  4. Step 4: Simplify right side
    409,316,501.70x = 138,152,155,422,119,312
  5. Step 5: Solve for x
    x = 138,152,155,422,119,312/409,316,501.70
  6. Step 6: Final answer
    x = 337,519,144.35

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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.