Home / 913,456,345.08-1,260,570,972.60-495,768,630.36

Finding the Fourth Proportional to 913,456,345.08, 1,260,570,972.60 and 495,768,630.36

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Solution

The fourth proportional to 913,456,345.08, 1,260,570,972.60 and 495,768,630.36 is: 684,161,370.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,456,345.08 : 1,260,570,972.60 = 495,768,630.36 : x
  2. Step 2: Convert to fraction form
    913,456,345.08/1,260,570,972.60 = 495,768,630.36/x
  3. Step 3: Cross multiply
    913,456,345.08x = 1,260,570,972.60 × 495,768,630.36
  4. Step 4: Simplify right side
    913,456,345.08x = 624,951,544,557,475,072
  5. Step 5: Solve for x
    x = 624,951,544,557,475,072/913,456,345.08
  6. Step 6: Final answer
    x = 684,161,370.08

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1.5x scale

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.