Home / 648,757,724.22-895,285,688.13-351,399,966.39

Finding the Fourth Proportional to 648,757,724.22, 895,285,688.13 and 351,399,966.39

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Solution

The fourth proportional to 648,757,724.22, 895,285,688.13 and 351,399,966.39 is: 484,931,969.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,757,724.22 : 895,285,688.13 = 351,399,966.39 : x
  2. Step 2: Convert to fraction form
    648,757,724.22/895,285,688.13 = 351,399,966.39/x
  3. Step 3: Cross multiply
    648,757,724.22x = 895,285,688.13 × 351,399,966.39
  4. Step 4: Simplify right side
    648,757,724.22x = 314,603,360,718,329,984
  5. Step 5: Solve for x
    x = 314,603,360,718,329,984/648,757,724.22
  6. Step 6: Final answer
    x = 484,931,969.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.