Home / 205,020,005,152.80-282,927,508,704.78-122,620,763,269.02

Finding the Fourth Proportional to 205,020,005,152.80, 282,927,508,704.78 and 122,620,763,269.02

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Solution

The fourth proportional to 205,020,005,152.80, 282,927,508,704.78 and 122,620,763,269.02 is: 169,216,594,455.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,020,005,152.80 : 282,927,508,704.78 = 122,620,763,269.02 : x
  2. Step 2: Convert to fraction form
    205,020,005,152.80/282,927,508,704.78 = 122,620,763,269.02/x
  3. Step 3: Cross multiply
    205,020,005,152.80x = 282,927,508,704.78 × 122,620,763,269.02
  4. Step 4: Simplify right side
    205,020,005,152.80x = 34,692,787,067,182,427,144,192
  5. Step 5: Solve for x
    x = 34,692,787,067,182,427,144,192/205,020,005,152.80
  6. Step 6: Final answer
    x = 169,216,594,455.39

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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.