Home / 880,103,425.80-1,320,155,138.70-266,607,935.40

Finding the Fourth Proportional to 880,103,425.80, 1,320,155,138.70 and 266,607,935.40

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Solution

The fourth proportional to 880,103,425.80, 1,320,155,138.70 and 266,607,935.40 is: 399,911,903.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,103,425.80 : 1,320,155,138.70 = 266,607,935.40 : x
  2. Step 2: Convert to fraction form
    880,103,425.80/1,320,155,138.70 = 266,607,935.40/x
  3. Step 3: Cross multiply
    880,103,425.80x = 1,320,155,138.70 × 266,607,935.40
  4. Step 4: Simplify right side
    880,103,425.80x = 351,963,835,936,507,648
  5. Step 5: Solve for x
    x = 351,963,835,936,507,648/880,103,425.80
  6. Step 6: Final answer
    x = 399,911,903.10

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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.