Home / 615,698,105.32-849,747,920.16-377,501,165.56

Finding the Fourth Proportional to 615,698,105.32, 849,747,920.16 and 377,501,165.56

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Solution

The fourth proportional to 615,698,105.32, 849,747,920.16 and 377,501,165.56 is: 521,003,439.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,698,105.32 : 849,747,920.16 = 377,501,165.56 : x
  2. Step 2: Convert to fraction form
    615,698,105.32/849,747,920.16 = 377,501,165.56/x
  3. Step 3: Cross multiply
    615,698,105.32x = 849,747,920.16 × 377,501,165.56
  4. Step 4: Simplify right side
    615,698,105.32x = 320,780,830,292,585,792
  5. Step 5: Solve for x
    x = 320,780,830,292,585,792/615,698,105.32
  6. Step 6: Final answer
    x = 521,003,439.06

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1.5x scale

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.