Home / 7,856,890,296.57-10,840,890,051.59-4,514,742,878.13

Finding the Fourth Proportional to 7,856,890,296.57, 10,840,890,051.59 and 4,514,742,878.13

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Solution

The fourth proportional to 7,856,890,296.57, 10,840,890,051.59 and 4,514,742,878.13 is: 6,229,415,112.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856,890,296.57 : 10,840,890,051.59 = 4,514,742,878.13 : x
  2. Step 2: Convert to fraction form
    7,856,890,296.57/10,840,890,051.59 = 4,514,742,878.13/x
  3. Step 3: Cross multiply
    7,856,890,296.57x = 10,840,890,051.59 × 4,514,742,878.13
  4. Step 4: Simplify right side
    7,856,890,296.57x = 48,943,831,152,983,744,512
  5. Step 5: Solve for x
    x = 48,943,831,152,983,744,512/7,856,890,296.57
  6. Step 6: Final answer
    x = 6,229,415,112.79

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Double scale
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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.