Home / 38,502,434,081.40-53,071,966,769.60-30,350,944,306.68

Finding the Fourth Proportional to 38,502,434,081.40, 53,071,966,769.60 and 30,350,944,306.68

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Solution

The fourth proportional to 38,502,434,081.40, 53,071,966,769.60 and 30,350,944,306.68 is: 41,835,908,458.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,502,434,081.40 : 53,071,966,769.60 = 30,350,944,306.68 : x
  2. Step 2: Convert to fraction form
    38,502,434,081.40/53,071,966,769.60 = 30,350,944,306.68/x
  3. Step 3: Cross multiply
    38,502,434,081.40x = 53,071,966,769.60 × 30,350,944,306.68
  4. Step 4: Simplify right side
    38,502,434,081.40x = 1,610,784,307,670,101,262,336
  5. Step 5: Solve for x
    x = 1,610,784,307,670,101,262,336/38,502,434,081.40
  6. Step 6: Final answer
    x = 41,835,908,458.79

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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.