Home / 9,169,347,407.90-12,653,742,274.10-5,209,266,376.22

Finding the Fourth Proportional to 9,169,347,407.90, 12,653,742,274.10 and 5,209,266,376.22

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Solution

The fourth proportional to 9,169,347,407.90, 12,653,742,274.10 and 5,209,266,376.22 is: 7,188,811,943.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169,347,407.90 : 12,653,742,274.10 = 5,209,266,376.22 : x
  2. Step 2: Convert to fraction form
    9,169,347,407.90/12,653,742,274.10 = 5,209,266,376.22/x
  3. Step 3: Cross multiply
    9,169,347,407.90x = 12,653,742,274.10 × 5,209,266,376.22
  4. Step 4: Simplify right side
    9,169,347,407.90x = 65,916,714,161,733,410,816
  5. Step 5: Solve for x
    x = 65,916,714,161,733,410,816/9,169,347,407.90
  6. Step 6: Final answer
    x = 7,188,811,943.69

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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.