Home / 186,803,966,412.80-280,205,949,619.20-155,397,078,771.20

Finding the Fourth Proportional to 186,803,966,412.80, 280,205,949,619.20 and 155,397,078,771.20

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Solution

The fourth proportional to 186,803,966,412.80, 280,205,949,619.20 and 155,397,078,771.20 is: 233,095,618,156.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,803,966,412.80 : 280,205,949,619.20 = 155,397,078,771.20 : x
  2. Step 2: Convert to fraction form
    186,803,966,412.80/280,205,949,619.20 = 155,397,078,771.20/x
  3. Step 3: Cross multiply
    186,803,966,412.80x = 280,205,949,619.20 × 155,397,078,771.20
  4. Step 4: Simplify right side
    186,803,966,412.80x = 43,543,186,025,133,725,712,384
  5. Step 5: Solve for x
    x = 43,543,186,025,133,725,712,384/186,803,966,412.80
  6. Step 6: Final answer
    x = 233,095,618,156.80

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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.