Home / 889,237,691.01-1,227,155,218.62-492,767,303.04

Finding the Fourth Proportional to 889,237,691.01, 1,227,155,218.62 and 492,767,303.04

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Solution

The fourth proportional to 889,237,691.01, 1,227,155,218.62 and 492,767,303.04 is: 680,022,870.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,237,691.01 : 1,227,155,218.62 = 492,767,303.04 : x
  2. Step 2: Convert to fraction form
    889,237,691.01/1,227,155,218.62 = 492,767,303.04/x
  3. Step 3: Cross multiply
    889,237,691.01x = 1,227,155,218.62 × 492,767,303.04
  4. Step 4: Simplify right side
    889,237,691.01x = 604,701,967,490,838,912
  5. Step 5: Solve for x
    x = 604,701,967,490,838,912/889,237,691.01
  6. Step 6: Final answer
    x = 680,022,870.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.