Home / 515,031,794.40-770,532,152.40-333,633,266.40

Finding the Fourth Proportional to 515,031,794.40, 770,532,152.40 and 333,633,266.40

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Solution

The fourth proportional to 515,031,794.40, 770,532,152.40 and 333,633,266.40 is: 499,144,250.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,031,794.40 : 770,532,152.40 = 333,633,266.40 : x
  2. Step 2: Convert to fraction form
    515,031,794.40/770,532,152.40 = 333,633,266.40/x
  3. Step 3: Cross multiply
    515,031,794.40x = 770,532,152.40 × 333,633,266.40
  4. Step 4: Simplify right side
    515,031,794.40x = 257,075,158,871,434,560
  5. Step 5: Solve for x
    x = 257,075,158,871,434,560/515,031,794.40
  6. Step 6: Final answer
    x = 499,144,250.25

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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.