Home / 474,090,381.73-714,688,976.79-442,487,356.93

Finding the Fourth Proportional to 474,090,381.73, 714,688,976.79 and 442,487,356.93

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Solution

The fourth proportional to 474,090,381.73, 714,688,976.79 and 442,487,356.93 is: 667,047,568.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,090,381.73 : 714,688,976.79 = 442,487,356.93 : x
  2. Step 2: Convert to fraction form
    474,090,381.73/714,688,976.79 = 442,487,356.93/x
  3. Step 3: Cross multiply
    474,090,381.73x = 714,688,976.79 × 442,487,356.93
  4. Step 4: Simplify right side
    474,090,381.73x = 316,240,836,366,813,184
  5. Step 5: Solve for x
    x = 316,240,836,366,813,184/474,090,381.73
  6. Step 6: Final answer
    x = 667,047,568.47

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.