Home / 369,966,276.80-554,949,415.20-216,785,297.60

Finding the Fourth Proportional to 369,966,276.80, 554,949,415.20 and 216,785,297.60

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Solution

The fourth proportional to 369,966,276.80, 554,949,415.20 and 216,785,297.60 is: 325,177,946.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,966,276.80 : 554,949,415.20 = 216,785,297.60 : x
  2. Step 2: Convert to fraction form
    369,966,276.80/554,949,415.20 = 216,785,297.60/x
  3. Step 3: Cross multiply
    369,966,276.80x = 554,949,415.20 × 216,785,297.60
  4. Step 4: Simplify right side
    369,966,276.80x = 120,304,874,127,077,968
  5. Step 5: Solve for x
    x = 120,304,874,127,077,968/369,966,276.80
  6. Step 6: Final answer
    x = 325,177,946.40

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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.