Home / 1,490,380,998,943.10-2,056,725,782,502.60-805,268,724,903.78

Finding the Fourth Proportional to 1,490,380,998,943.10, 2,056,725,782,502.60 and 805,268,724,903.78

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Solution

The fourth proportional to 1,490,380,998,943.10, 2,056,725,782,502.60 and 805,268,724,903.78 is: 1,111,270,842,507.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,380,998,943.10 : 2,056,725,782,502.60 = 805,268,724,903.78 : x
  2. Step 2: Convert to fraction form
    1,490,380,998,943.10/2,056,725,782,502.60 = 805,268,724,903.78/x
  3. Step 3: Cross multiply
    1,490,380,998,943.10x = 2,056,725,782,502.60 × 805,268,724,903.78
  4. Step 4: Simplify right side
    1,490,380,998,943.10x = 1,656,216,948,352,597,916,385,280
  5. Step 5: Solve for x
    x = 1,656,216,948,352,597,916,385,280/1,490,380,998,943.10
  6. Step 6: Final answer
    x = 1,111,270,842,507.45

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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.