Home / 947,197,137,438.20-1,420,780,179,852.10-301,793,997,095.40

Finding the Fourth Proportional to 947,197,137,438.20, 1,420,780,179,852.10 and 301,793,997,095.40

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Solution

The fourth proportional to 947,197,137,438.20, 1,420,780,179,852.10 and 301,793,997,095.40 is: 452,686,048,683.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,197,137,438.20 : 1,420,780,179,852.10 = 301,793,997,095.40 : x
  2. Step 2: Convert to fraction form
    947,197,137,438.20/1,420,780,179,852.10 = 301,793,997,095.40/x
  3. Step 3: Cross multiply
    947,197,137,438.20x = 1,420,780,179,852.10 × 301,793,997,095.40
  4. Step 4: Simplify right side
    947,197,137,438.20x = 428,782,929,471,486,623,219,712
  5. Step 5: Solve for x
    x = 428,782,929,471,486,623,219,712/947,197,137,438.20
  6. Step 6: Final answer
    x = 452,686,048,683.78

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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.