Home / 979,113,627.95-1,468,829,972.70-289,090,633.55

Finding the Fourth Proportional to 979,113,627.95, 1,468,829,972.70 and 289,090,633.55

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Solution

The fourth proportional to 979,113,627.95, 1,468,829,972.70 and 289,090,633.55 is: 433,683,052.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,113,627.95 : 1,468,829,972.70 = 289,090,633.55 : x
  2. Step 2: Convert to fraction form
    979,113,627.95/1,468,829,972.70 = 289,090,633.55/x
  3. Step 3: Cross multiply
    979,113,627.95x = 1,468,829,972.70 × 289,090,633.55
  4. Step 4: Simplify right side
    979,113,627.95x = 424,624,987,377,728,064
  5. Step 5: Solve for x
    x = 424,624,987,377,728,064/979,113,627.95
  6. Step 6: Final answer
    x = 433,683,052.98

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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.