Home / 1,447,968,816.90-2,171,973,405.87-412,829,699.22

Finding the Fourth Proportional to 1,447,968,816.90, 2,171,973,405.87 and 412,829,699.22

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Solution

The fourth proportional to 1,447,968,816.90, 2,171,973,405.87 and 412,829,699.22 is: 619,250,302.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,968,816.90 : 2,171,973,405.87 = 412,829,699.22 : x
  2. Step 2: Convert to fraction form
    1,447,968,816.90/2,171,973,405.87 = 412,829,699.22/x
  3. Step 3: Cross multiply
    1,447,968,816.90x = 2,171,973,405.87 × 412,829,699.22
  4. Step 4: Simplify right side
    1,447,968,816.90x = 896,655,127,859,151,104
  5. Step 5: Solve for x
    x = 896,655,127,859,151,104/1,447,968,816.90
  6. Step 6: Final answer
    x = 619,250,302.49

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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.