Home / 882,905,210.91-1,218,410,345.13-481,016,962.38

Finding the Fourth Proportional to 882,905,210.91, 1,218,410,345.13 and 481,016,962.38

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Solution

The fourth proportional to 882,905,210.91, 1,218,410,345.13 and 481,016,962.38 is: 663,804,036.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,905,210.91 : 1,218,410,345.13 = 481,016,962.38 : x
  2. Step 2: Convert to fraction form
    882,905,210.91/1,218,410,345.13 = 481,016,962.38/x
  3. Step 3: Cross multiply
    882,905,210.91x = 1,218,410,345.13 × 481,016,962.38
  4. Step 4: Simplify right side
    882,905,210.91x = 586,076,043,146,800,128
  5. Step 5: Solve for x
    x = 586,076,043,146,800,128/882,905,210.91
  6. Step 6: Final answer
    x = 663,804,036.84

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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.