Home / 18,977,756,823.78-26,188,737,402.81-10,403,890,296.31

Finding the Fourth Proportional to 18,977,756,823.78, 26,188,737,402.81 and 10,403,890,296.31

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Solution

The fourth proportional to 18,977,756,823.78, 26,188,737,402.81 and 10,403,890,296.31 is: 14,357,057,763.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977,756,823.78 : 26,188,737,402.81 = 10,403,890,296.31 : x
  2. Step 2: Convert to fraction form
    18,977,756,823.78/26,188,737,402.81 = 10,403,890,296.31/x
  3. Step 3: Cross multiply
    18,977,756,823.78x = 26,188,737,402.81 × 10,403,890,296.31
  4. Step 4: Simplify right side
    18,977,756,823.78x = 272,464,750,937,705,709,568
  5. Step 5: Solve for x
    x = 272,464,750,937,705,709,568/18,977,756,823.78
  6. Step 6: Final answer
    x = 14,357,057,763.34

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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.