Home / 12,289,250,921.76-18,426,411,709.44-4,818,884,097.78

Finding the Fourth Proportional to 12,289,250,921.76, 18,426,411,709.44 and 4,818,884,097.78

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Solution

The fourth proportional to 12,289,250,921.76, 18,426,411,709.44 and 4,818,884,097.78 is: 7,225,399,085.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,289,250,921.76 : 18,426,411,709.44 = 4,818,884,097.78 : x
  2. Step 2: Convert to fraction form
    12,289,250,921.76/18,426,411,709.44 = 4,818,884,097.78/x
  3. Step 3: Cross multiply
    12,289,250,921.76x = 18,426,411,709.44 × 4,818,884,097.78
  4. Step 4: Simplify right side
    12,289,250,921.76x = 88,794,742,365,767,598,080
  5. Step 5: Solve for x
    x = 88,794,742,365,767,598,080/12,289,250,921.76
  6. Step 6: Final answer
    x = 7,225,399,085.03

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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.