Home / 652,829,611.40-979,244,417.10-458,959,934.60

Finding the Fourth Proportional to 652,829,611.40, 979,244,417.10 and 458,959,934.60

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Solution

The fourth proportional to 652,829,611.40, 979,244,417.10 and 458,959,934.60 is: 688,439,901.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,829,611.40 : 979,244,417.10 = 458,959,934.60 : x
  2. Step 2: Convert to fraction form
    652,829,611.40/979,244,417.10 = 458,959,934.60/x
  3. Step 3: Cross multiply
    652,829,611.40x = 979,244,417.10 × 458,959,934.60
  4. Step 4: Simplify right side
    652,829,611.40x = 449,433,953,629,631,168
  5. Step 5: Solve for x
    x = 449,433,953,629,631,168/652,829,611.40
  6. Step 6: Final answer
    x = 688,439,901.90

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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.