Home / 489,942,617.60-734,913,926.40-459,709,529.60

Finding the Fourth Proportional to 489,942,617.60, 734,913,926.40 and 459,709,529.60

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Solution

The fourth proportional to 489,942,617.60, 734,913,926.40 and 459,709,529.60 is: 689,564,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,942,617.60 : 734,913,926.40 = 459,709,529.60 : x
  2. Step 2: Convert to fraction form
    489,942,617.60/734,913,926.40 = 459,709,529.60/x
  3. Step 3: Cross multiply
    489,942,617.60x = 734,913,926.40 × 459,709,529.60
  4. Step 4: Simplify right side
    489,942,617.60x = 337,846,935,401,833,024
  5. Step 5: Solve for x
    x = 337,846,935,401,833,024/489,942,617.60
  6. Step 6: Final answer
    x = 689,564,294.40

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1.5x scale

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.