Home / 724,006,038.70-1,086,009,058.05-263,959,216.30

Finding the Fourth Proportional to 724,006,038.70, 1,086,009,058.05 and 263,959,216.30

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Solution

The fourth proportional to 724,006,038.70, 1,086,009,058.05 and 263,959,216.30 is: 395,938,824.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,006,038.70 : 1,086,009,058.05 = 263,959,216.30 : x
  2. Step 2: Convert to fraction form
    724,006,038.70/1,086,009,058.05 = 263,959,216.30/x
  3. Step 3: Cross multiply
    724,006,038.70x = 1,086,009,058.05 × 263,959,216.30
  4. Step 4: Simplify right side
    724,006,038.70x = 286,662,099,857,579,200
  5. Step 5: Solve for x
    x = 286,662,099,857,579,200/724,006,038.70
  6. Step 6: Final answer
    x = 395,938,824.45

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1.5x scale

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.