Home / 1,490,398,403.73-2,056,689,916.08-812,200,953.25

Finding the Fourth Proportional to 1,490,398,403.73, 2,056,689,916.08 and 812,200,953.25

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Solution

The fourth proportional to 1,490,398,403.73, 2,056,689,916.08 and 812,200,953.25 is: 1,120,804,682.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,398,403.73 : 2,056,689,916.08 = 812,200,953.25 : x
  2. Step 2: Convert to fraction form
    1,490,398,403.73/2,056,689,916.08 = 812,200,953.25/x
  3. Step 3: Cross multiply
    1,490,398,403.73x = 2,056,689,916.08 × 812,200,953.25
  4. Step 4: Simplify right side
    1,490,398,403.73x = 1,670,445,510,375,777,536
  5. Step 5: Solve for x
    x = 1,670,445,510,375,777,536/1,490,398,403.73
  6. Step 6: Final answer
    x = 1,120,804,682.96

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