Home / 535,267,647.31-802,883,803.62-220,122,769.81

Finding the Fourth Proportional to 535,267,647.31, 802,883,803.62 and 220,122,769.81

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Solution

The fourth proportional to 535,267,647.31, 802,883,803.62 and 220,122,769.81 is: 330,176,889.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,267,647.31 : 802,883,803.62 = 220,122,769.81 : x
  2. Step 2: Convert to fraction form
    535,267,647.31/802,883,803.62 = 220,122,769.81/x
  3. Step 3: Cross multiply
    535,267,647.31x = 802,883,803.62 × 220,122,769.81
  4. Step 4: Simplify right side
    535,267,647.31x = 176,733,006,688,742,144
  5. Step 5: Solve for x
    x = 176,733,006,688,742,144/535,267,647.31
  6. Step 6: Final answer
    x = 330,176,889.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.