Home / 824,773,437.32-1,237,642,579.02-307,561,195.40

Finding the Fourth Proportional to 824,773,437.32, 1,237,642,579.02 and 307,561,195.40

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Solution

The fourth proportional to 824,773,437.32, 1,237,642,579.02 and 307,561,195.40 is: 461,521,690.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,773,437.32 : 1,237,642,579.02 = 307,561,195.40 : x
  2. Step 2: Convert to fraction form
    824,773,437.32/1,237,642,579.02 = 307,561,195.40/x
  3. Step 3: Cross multiply
    824,773,437.32x = 1,237,642,579.02 × 307,561,195.40
  4. Step 4: Simplify right side
    824,773,437.32x = 380,650,831,081,330,112
  5. Step 5: Solve for x
    x = 380,650,831,081,330,112/824,773,437.32
  6. Step 6: Final answer
    x = 461,521,690.51

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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.