Home / 377,640,938.66-517,369,931.74-363,487,041.58

Finding the Fourth Proportional to 377,640,938.66, 517,369,931.74 and 363,487,041.58

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Solution

The fourth proportional to 377,640,938.66, 517,369,931.74 and 363,487,041.58 is: 497,979,023.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,640,938.66 : 517,369,931.74 = 363,487,041.58 : x
  2. Step 2: Convert to fraction form
    377,640,938.66/517,369,931.74 = 363,487,041.58/x
  3. Step 3: Cross multiply
    377,640,938.66x = 517,369,931.74 × 363,487,041.58
  4. Step 4: Simplify right side
    377,640,938.66x = 188,057,265,890,619,136
  5. Step 5: Solve for x
    x = 188,057,265,890,619,136/377,640,938.66
  6. Step 6: Final answer
    x = 497,979,023.56

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.