Home / 26,717,421,920.59-36,870,762,258.96-15,719,218,756.69

Finding the Fourth Proportional to 26,717,421,920.59, 36,870,762,258.96 and 15,719,218,756.69

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Solution

The fourth proportional to 26,717,421,920.59, 36,870,762,258.96 and 15,719,218,756.69 is: 21,692,945,501.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,717,421,920.59 : 36,870,762,258.96 = 15,719,218,756.69 : x
  2. Step 2: Convert to fraction form
    26,717,421,920.59/36,870,762,258.96 = 15,719,218,756.69/x
  3. Step 3: Cross multiply
    26,717,421,920.59x = 36,870,762,258.96 × 15,719,218,756.69
  4. Step 4: Simplify right side
    26,717,421,920.59x = 579,579,577,674,501,783,552
  5. Step 5: Solve for x
    x = 579,579,577,674,501,783,552/26,717,421,920.59
  6. Step 6: Final answer
    x = 21,692,945,501.90

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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.