Home / 657,598,563.74-907,478,785.80-356,176,376.35

Finding the Fourth Proportional to 657,598,563.74, 907,478,785.80 and 356,176,376.35

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Solution

The fourth proportional to 657,598,563.74, 907,478,785.80 and 356,176,376.35 is: 491,519,482.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,598,563.74 : 907,478,785.80 = 356,176,376.35 : x
  2. Step 2: Convert to fraction form
    657,598,563.74/907,478,785.80 = 356,176,376.35/x
  3. Step 3: Cross multiply
    657,598,563.74x = 907,478,785.80 × 356,176,376.35
  4. Step 4: Simplify right side
    657,598,563.74x = 323,222,505,538,473,152
  5. Step 5: Solve for x
    x = 323,222,505,538,473,152/657,598,563.74
  6. Step 6: Final answer
    x = 491,519,482.19

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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.