Home / 672,606,257.40-1,008,909,386.10-453,067,980.30

Finding the Fourth Proportional to 672,606,257.40, 1,008,909,386.10 and 453,067,980.30

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Solution

The fourth proportional to 672,606,257.40, 1,008,909,386.10 and 453,067,980.30 is: 679,601,970.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,606,257.40 : 1,008,909,386.10 = 453,067,980.30 : x
  2. Step 2: Convert to fraction form
    672,606,257.40/1,008,909,386.10 = 453,067,980.30/x
  3. Step 3: Cross multiply
    672,606,257.40x = 1,008,909,386.10 × 453,067,980.30
  4. Step 4: Simplify right side
    672,606,257.40x = 457,104,537,866,039,936
  5. Step 5: Solve for x
    x = 457,104,537,866,039,936/672,606,257.40
  6. Step 6: Final answer
    x = 679,601,970.45

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.