Home / 228,418,950,287.71-315,225,710,987.79-125,539,716,568.04

Finding the Fourth Proportional to 228,418,950,287.71, 315,225,710,987.79 and 125,539,716,568.04

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Solution

The fourth proportional to 228,418,950,287.71, 315,225,710,987.79 and 125,539,716,568.04 is: 173,248,963,636.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,418,950,287.71 : 315,225,710,987.79 = 125,539,716,568.04 : x
  2. Step 2: Convert to fraction form
    228,418,950,287.71/315,225,710,987.79 = 125,539,716,568.04/x
  3. Step 3: Cross multiply
    228,418,950,287.71x = 315,225,710,987.79 × 125,539,716,568.04
  4. Step 4: Simplify right side
    228,418,950,287.71x = 39,573,346,412,366,043,021,312
  5. Step 5: Solve for x
    x = 39,573,346,412,366,043,021,312/228,418,950,287.71
  6. Step 6: Final answer
    x = 173,248,963,636.86

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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.