Home / 464,366,809.74-640,806,856.65-252,674,471.67

Finding the Fourth Proportional to 464,366,809.74, 640,806,856.65 and 252,674,471.67

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Solution

The fourth proportional to 464,366,809.74, 640,806,856.65 and 252,674,471.67 is: 348,680,247.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,366,809.74 : 640,806,856.65 = 252,674,471.67 : x
  2. Step 2: Convert to fraction form
    464,366,809.74/640,806,856.65 = 252,674,471.67/x
  3. Step 3: Cross multiply
    464,366,809.74x = 640,806,856.65 × 252,674,471.67
  4. Step 4: Simplify right side
    464,366,809.74x = 161,915,533,946,552,160
  5. Step 5: Solve for x
    x = 161,915,533,946,552,160/464,366,809.74
  6. Step 6: Final answer
    x = 348,680,247.06

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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.