Home / 252,755,416,160.34-348,802,390,111.81-138,567,585,478.01

Finding the Fourth Proportional to 252,755,416,160.34, 348,802,390,111.81 and 138,567,585,478.01

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Solution

The fourth proportional to 252,755,416,160.34, 348,802,390,111.81 and 138,567,585,478.01 is: 191,223,221,804.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,755,416,160.34 : 348,802,390,111.81 = 138,567,585,478.01 : x
  2. Step 2: Convert to fraction form
    252,755,416,160.34/348,802,390,111.81 = 138,567,585,478.01/x
  3. Step 3: Cross multiply
    252,755,416,160.34x = 348,802,390,111.81 × 138,567,585,478.01
  4. Step 4: Simplify right side
    252,755,416,160.34x = 48,332,705,006,752,421,117,952
  5. Step 5: Solve for x
    x = 48,332,705,006,752,421,117,952/252,755,416,160.34
  6. Step 6: Final answer
    x = 191,223,221,804.64

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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.