Home / 615,698,104.32-849,747,918.78-377,501,164.56

Finding the Fourth Proportional to 615,698,104.32, 849,747,918.78 and 377,501,164.56

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Solution

The fourth proportional to 615,698,104.32, 849,747,918.78 and 377,501,164.56 is: 521,003,437.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,698,104.32 : 849,747,918.78 = 377,501,164.56 : x
  2. Step 2: Convert to fraction form
    615,698,104.32/849,747,918.78 = 377,501,164.56/x
  3. Step 3: Cross multiply
    615,698,104.32x = 849,747,918.78 × 377,501,164.56
  4. Step 4: Simplify right side
    615,698,104.32x = 320,780,828,921,886,272
  5. Step 5: Solve for x
    x = 320,780,828,921,886,272/615,698,104.32
  6. Step 6: Final answer
    x = 521,003,437.68

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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.