Home / 913,456,272.03-1,260,570,871.81-495,768,557.32

Finding the Fourth Proportional to 913,456,272.03, 1,260,570,871.81 and 495,768,557.32

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Solution

The fourth proportional to 913,456,272.03, 1,260,570,871.81 and 495,768,557.32 is: 684,161,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,456,272.03 : 1,260,570,871.81 = 495,768,557.32 : x
  2. Step 2: Convert to fraction form
    913,456,272.03/1,260,570,871.81 = 495,768,557.32/x
  3. Step 3: Cross multiply
    913,456,272.03x = 1,260,570,871.81 × 495,768,557.32
  4. Step 4: Simplify right side
    913,456,272.03x = 624,951,402,518,622,592
  5. Step 5: Solve for x
    x = 624,951,402,518,622,592/913,456,272.03
  6. Step 6: Final answer
    x = 684,161,269.30

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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.