Home / 30,269,072,362.80-45,403,608,544.20-12,576,870,031.80

Finding the Fourth Proportional to 30,269,072,362.80, 45,403,608,544.20 and 12,576,870,031.80

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Solution

The fourth proportional to 30,269,072,362.80, 45,403,608,544.20 and 12,576,870,031.80 is: 18,865,305,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,269,072,362.80 : 45,403,608,544.20 = 12,576,870,031.80 : x
  2. Step 2: Convert to fraction form
    30,269,072,362.80/45,403,608,544.20 = 12,576,870,031.80/x
  3. Step 3: Cross multiply
    30,269,072,362.80x = 45,403,608,544.20 × 12,576,870,031.80
  4. Step 4: Simplify right side
    30,269,072,362.80x = 571,035,283,635,127,320,576
  5. Step 5: Solve for x
    x = 571,035,283,635,127,320,576/30,269,072,362.80
  6. Step 6: Final answer
    x = 18,865,305,047.70

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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.