Home / 1,018,796,544.59-1,405,930,780.02-572,761,896.04

Finding the Fourth Proportional to 1,018,796,544.59, 1,405,930,780.02 and 572,761,896.04

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Solution

The fourth proportional to 1,018,796,544.59, 1,405,930,780.02 and 572,761,896.04 is: 790,406,665.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,796,544.59 : 1,405,930,780.02 = 572,761,896.04 : x
  2. Step 2: Convert to fraction form
    1,018,796,544.59/1,405,930,780.02 = 572,761,896.04/x
  3. Step 3: Cross multiply
    1,018,796,544.59x = 1,405,930,780.02 × 572,761,896.04
  4. Step 4: Simplify right side
    1,018,796,544.59x = 805,263,579,265,251,328
  5. Step 5: Solve for x
    x = 805,263,579,265,251,328/1,018,796,544.59
  6. Step 6: Final answer
    x = 790,406,665.14

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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.