Home / 13,201,658,154.54-18,223,027,063.25-7,849,205,744.22

Finding the Fourth Proportional to 13,201,658,154.54, 18,223,027,063.25 and 7,849,205,744.22

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Solution

The fourth proportional to 13,201,658,154.54, 18,223,027,063.25 and 7,849,205,744.22 is: 10,834,721,443.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201,658,154.54 : 18,223,027,063.25 = 7,849,205,744.22 : x
  2. Step 2: Convert to fraction form
    13,201,658,154.54/18,223,027,063.25 = 7,849,205,744.22/x
  3. Step 3: Cross multiply
    13,201,658,154.54x = 18,223,027,063.25 × 7,849,205,744.22
  4. Step 4: Simplify right side
    13,201,658,154.54x = 143,036,288,701,899,161,600
  5. Step 5: Solve for x
    x = 143,036,288,701,899,161,600/13,201,658,154.54
  6. Step 6: Final answer
    x = 10,834,721,443.89

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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.