Home / 774,336,483.54-1,068,584,501.04-421,912,474.26

Finding the Fourth Proportional to 774,336,483.54, 1,068,584,501.04 and 421,912,474.26

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Solution

The fourth proportional to 774,336,483.54, 1,068,584,501.04 and 421,912,474.26 is: 582,239,298.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,336,483.54 : 1,068,584,501.04 = 421,912,474.26 : x
  2. Step 2: Convert to fraction form
    774,336,483.54/1,068,584,501.04 = 421,912,474.26/x
  3. Step 3: Cross multiply
    774,336,483.54x = 1,068,584,501.04 × 421,912,474.26
  4. Step 4: Simplify right side
    774,336,483.54x = 450,849,130,789,673,920
  5. Step 5: Solve for x
    x = 450,849,130,789,673,920/774,336,483.54
  6. Step 6: Final answer
    x = 582,239,298.26

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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.