Home / 13,903,488,143.10-20,855,232,214.65-5,178,218,946.30

Finding the Fourth Proportional to 13,903,488,143.10, 20,855,232,214.65 and 5,178,218,946.30

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Solution

The fourth proportional to 13,903,488,143.10, 20,855,232,214.65 and 5,178,218,946.30 is: 7,767,328,419.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903,488,143.10 : 20,855,232,214.65 = 5,178,218,946.30 : x
  2. Step 2: Convert to fraction form
    13,903,488,143.10/20,855,232,214.65 = 5,178,218,946.30/x
  3. Step 3: Cross multiply
    13,903,488,143.10x = 20,855,232,214.65 × 5,178,218,946.30
  4. Step 4: Simplify right side
    13,903,488,143.10x = 107,992,958,583,386,750,976
  5. Step 5: Solve for x
    x = 107,992,958,583,386,750,976/13,903,488,143.10
  6. Step 6: Final answer
    x = 7,767,328,419.45

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Double scale
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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.