Home / 13,411,662,031.24-18,508,488,398.88-7,390,555,293.10

Finding the Fourth Proportional to 13,411,662,031.24, 18,508,488,398.88 and 7,390,555,293.10

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Solution

The fourth proportional to 13,411,662,031.24, 18,508,488,398.88 and 7,390,555,293.10 is: 10,199,183,858.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411,662,031.24 : 18,508,488,398.88 = 7,390,555,293.10 : x
  2. Step 2: Convert to fraction form
    13,411,662,031.24/18,508,488,398.88 = 7,390,555,293.10/x
  3. Step 3: Cross multiply
    13,411,662,031.24x = 18,508,488,398.88 × 7,390,555,293.10
  4. Step 4: Simplify right side
    13,411,662,031.24x = 136,788,006,903,622,549,504
  5. Step 5: Solve for x
    x = 136,788,006,903,622,549,504/13,411,662,031.24
  6. Step 6: Final answer
    x = 10,199,183,858.42

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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.