Home / 954,027,115.72-1,316,538,540.40-530,631,669.31

Finding the Fourth Proportional to 954,027,115.72, 1,316,538,540.40 and 530,631,669.31

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Solution

The fourth proportional to 954,027,115.72, 1,316,538,540.40 and 530,631,669.31 is: 732,261,202.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,027,115.72 : 1,316,538,540.40 = 530,631,669.31 : x
  2. Step 2: Convert to fraction form
    954,027,115.72/1,316,538,540.40 = 530,631,669.31/x
  3. Step 3: Cross multiply
    954,027,115.72x = 1,316,538,540.40 × 530,631,669.31
  4. Step 4: Simplify right side
    954,027,115.72x = 698,597,043,403,402,880
  5. Step 5: Solve for x
    x = 698,597,043,403,402,880/954,027,115.72
  6. Step 6: Final answer
    x = 732,261,202.95

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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.