Home / 19,199,959,247.86-28,742,558,688.61-11,613,785,820.35

Finding the Fourth Proportional to 19,199,959,247.86, 28,742,558,688.61 and 11,613,785,820.35

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Solution

The fourth proportional to 19,199,959,247.86, 28,742,558,688.61 and 11,613,785,820.35 is: 17,385,970,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,199,959,247.86 : 28,742,558,688.61 = 11,613,785,820.35 : x
  2. Step 2: Convert to fraction form
    19,199,959,247.86/28,742,558,688.61 = 11,613,785,820.35/x
  3. Step 3: Cross multiply
    19,199,959,247.86x = 28,742,558,688.61 × 11,613,785,820.35
  4. Step 4: Simplify right side
    19,199,959,247.86x = 333,809,920,538,177,896,448
  5. Step 5: Solve for x
    x = 333,809,920,538,177,896,448/19,199,959,247.86
  6. Step 6: Final answer
    x = 17,385,970,263.21

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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.