Home / 864,899,426.76-1,193,560,831.92-468,422,434.68

Finding the Fourth Proportional to 864,899,426.76, 1,193,560,831.92 and 468,422,434.68

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Solution

The fourth proportional to 864,899,426.76, 1,193,560,831.92 and 468,422,434.68 is: 646,422,755.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,899,426.76 : 1,193,560,831.92 = 468,422,434.68 : x
  2. Step 2: Convert to fraction form
    864,899,426.76/1,193,560,831.92 = 468,422,434.68/x
  3. Step 3: Cross multiply
    864,899,426.76x = 1,193,560,831.92 × 468,422,434.68
  4. Step 4: Simplify right side
    864,899,426.76x = 559,090,670,826,652,672
  5. Step 5: Solve for x
    x = 559,090,670,826,652,672/864,899,426.76
  6. Step 6: Final answer
    x = 646,422,755.67

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Double scale
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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.