Home / 983,412,007.20-1,475,118,010.80-493,635,981.60

Finding the Fourth Proportional to 983,412,007.20, 1,475,118,010.80 and 493,635,981.60

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Solution

The fourth proportional to 983,412,007.20, 1,475,118,010.80 and 493,635,981.60 is: 740,453,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,412,007.20 : 1,475,118,010.80 = 493,635,981.60 : x
  2. Step 2: Convert to fraction form
    983,412,007.20/1,475,118,010.80 = 493,635,981.60/x
  3. Step 3: Cross multiply
    983,412,007.20x = 1,475,118,010.80 × 493,635,981.60
  4. Step 4: Simplify right side
    983,412,007.20x = 728,171,327,237,097,472
  5. Step 5: Solve for x
    x = 728,171,327,237,097,472/983,412,007.20
  6. Step 6: Final answer
    x = 740,453,972.40

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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.