Home / 847,091,809.60-1,169,015,082.95-470,764,256.17

Finding the Fourth Proportional to 847,091,809.60, 1,169,015,082.95 and 470,764,256.17

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Solution

The fourth proportional to 847,091,809.60, 1,169,015,082.95 and 470,764,256.17 is: 649,670,448.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,091,809.60 : 1,169,015,082.95 = 470,764,256.17 : x
  2. Step 2: Convert to fraction form
    847,091,809.60/1,169,015,082.95 = 470,764,256.17/x
  3. Step 3: Cross multiply
    847,091,809.60x = 1,169,015,082.95 × 470,764,256.17
  4. Step 4: Simplify right side
    847,091,809.60x = 550,330,515,976,467,648
  5. Step 5: Solve for x
    x = 550,330,515,976,467,648/847,091,809.60
  6. Step 6: Final answer
    x = 649,670,448.63

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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.