Home / 738,104,420.40-1,106,400,803.40-431,238,577.20

Finding the Fourth Proportional to 738,104,420.40, 1,106,400,803.40 and 431,238,577.20

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Solution

The fourth proportional to 738,104,420.40, 1,106,400,803.40 and 431,238,577.20 is: 646,416,272.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,104,420.40 : 1,106,400,803.40 = 431,238,577.20 : x
  2. Step 2: Convert to fraction form
    738,104,420.40/1,106,400,803.40 = 431,238,577.20/x
  3. Step 3: Cross multiply
    738,104,420.40x = 1,106,400,803.40 × 431,238,577.20
  4. Step 4: Simplify right side
    738,104,420.40x = 477,122,708,271,152,960
  5. Step 5: Solve for x
    x = 477,122,708,271,152,960/738,104,420.40
  6. Step 6: Final answer
    x = 646,416,272.66

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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.