Home / 631,155,546.40-946,733,319.60-413,477,312.80

Finding the Fourth Proportional to 631,155,546.40, 946,733,319.60 and 413,477,312.80

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Solution

The fourth proportional to 631,155,546.40, 946,733,319.60 and 413,477,312.80 is: 620,215,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,155,546.40 : 946,733,319.60 = 413,477,312.80 : x
  2. Step 2: Convert to fraction form
    631,155,546.40/946,733,319.60 = 413,477,312.80/x
  3. Step 3: Cross multiply
    631,155,546.40x = 946,733,319.60 × 413,477,312.80
  4. Step 4: Simplify right side
    631,155,546.40x = 391,452,748,926,431,616
  5. Step 5: Solve for x
    x = 391,452,748,926,431,616/631,155,546.40
  6. Step 6: Final answer
    x = 620,215,969.20

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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.