Home / 434,075,309.60-651,112,964.40-400,818,912.80

Finding the Fourth Proportional to 434,075,309.60, 651,112,964.40 and 400,818,912.80

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Solution

The fourth proportional to 434,075,309.60, 651,112,964.40 and 400,818,912.80 is: 601,228,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,075,309.60 : 651,112,964.40 = 400,818,912.80 : x
  2. Step 2: Convert to fraction form
    434,075,309.60/651,112,964.40 = 400,818,912.80/x
  3. Step 3: Cross multiply
    434,075,309.60x = 651,112,964.40 × 400,818,912.80
  4. Step 4: Simplify right side
    434,075,309.60x = 260,978,390,500,793,088
  5. Step 5: Solve for x
    x = 260,978,390,500,793,088/434,075,309.60
  6. Step 6: Final answer
    x = 601,228,369.20

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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.