Home / 1,105,122,405.10-1,657,922,756.10-328,846,536.40

Finding the Fourth Proportional to 1,105,122,405.10, 1,657,922,756.10 and 328,846,536.40

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Solution

The fourth proportional to 1,105,122,405.10, 1,657,922,756.10 and 328,846,536.40 is: 493,340,966.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,122,405.10 : 1,657,922,756.10 = 328,846,536.40 : x
  2. Step 2: Convert to fraction form
    1,105,122,405.10/1,657,922,756.10 = 328,846,536.40/x
  3. Step 3: Cross multiply
    1,105,122,405.10x = 1,657,922,756.10 × 328,846,536.40
  4. Step 4: Simplify right side
    1,105,122,405.10x = 545,202,155,962,226,880
  5. Step 5: Solve for x
    x = 545,202,155,962,226,880/1,105,122,405.10
  6. Step 6: Final answer
    x = 493,340,966.98

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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.