Home / 882,905,207.90-1,218,410,340.98-481,016,959.38

Finding the Fourth Proportional to 882,905,207.90, 1,218,410,340.98 and 481,016,959.38

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Solution

The fourth proportional to 882,905,207.90, 1,218,410,340.98 and 481,016,959.38 is: 663,804,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,905,207.90 : 1,218,410,340.98 = 481,016,959.38 : x
  2. Step 2: Convert to fraction form
    882,905,207.90/1,218,410,340.98 = 481,016,959.38/x
  3. Step 3: Cross multiply
    882,905,207.90x = 1,218,410,340.98 × 481,016,959.38
  4. Step 4: Simplify right side
    882,905,207.90x = 586,076,037,492,943,488
  5. Step 5: Solve for x
    x = 586,076,037,492,943,488/882,905,207.90
  6. Step 6: Final answer
    x = 663,804,032.70

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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.