Home / 678,245,513.40-1,017,368,270.10-506,058,629.40

Finding the Fourth Proportional to 678,245,513.40, 1,017,368,270.10 and 506,058,629.40

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Solution

The fourth proportional to 678,245,513.40, 1,017,368,270.10 and 506,058,629.40 is: 759,087,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,245,513.40 : 1,017,368,270.10 = 506,058,629.40 : x
  2. Step 2: Convert to fraction form
    678,245,513.40/1,017,368,270.10 = 506,058,629.40/x
  3. Step 3: Cross multiply
    678,245,513.40x = 1,017,368,270.10 × 506,058,629.40
  4. Step 4: Simplify right side
    678,245,513.40x = 514,847,992,361,854,976
  5. Step 5: Solve for x
    x = 514,847,992,361,854,976/678,245,513.40
  6. Step 6: Final answer
    x = 759,087,944.10

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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.