Home / 13,489,278,315.48-18,617,152,187.04-7,772,468,256.72

Finding the Fourth Proportional to 13,489,278,315.48, 18,617,152,187.04 and 7,772,468,256.72

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Solution

The fourth proportional to 13,489,278,315.48, 18,617,152,187.04 and 7,772,468,256.72 is: 10,727,128,688.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,489,278,315.48 : 18,617,152,187.04 = 7,772,468,256.72 : x
  2. Step 2: Convert to fraction form
    13,489,278,315.48/18,617,152,187.04 = 7,772,468,256.72/x
  3. Step 3: Cross multiply
    13,489,278,315.48x = 18,617,152,187.04 × 7,772,468,256.72
  4. Step 4: Simplify right side
    13,489,278,315.48x = 144,701,224,404,293,730,304
  5. Step 5: Solve for x
    x = 144,701,224,404,293,730,304/13,489,278,315.48
  6. Step 6: Final answer
    x = 10,727,128,688.44

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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.