Home / 13,113,059,398.91-18,096,076,491.73-7,091,564,802.85

Finding the Fourth Proportional to 13,113,059,398.91, 18,096,076,491.73 and 7,091,564,802.85

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Solution

The fourth proportional to 13,113,059,398.91, 18,096,076,491.73 and 7,091,564,802.85 is: 9,786,388,913.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,113,059,398.91 : 18,096,076,491.73 = 7,091,564,802.85 : x
  2. Step 2: Convert to fraction form
    13,113,059,398.91/18,096,076,491.73 = 7,091,564,802.85/x
  3. Step 3: Cross multiply
    13,113,059,398.91x = 18,096,076,491.73 × 7,091,564,802.85
  4. Step 4: Simplify right side
    13,113,059,398.91x = 128,329,499,118,343,290,880
  5. Step 5: Solve for x
    x = 128,329,499,118,343,290,880/13,113,059,398.91
  6. Step 6: Final answer
    x = 9,786,388,913.11

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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.