Home / 927,339,813.20-1,391,009,719.80-497,358,117.20

Finding the Fourth Proportional to 927,339,813.20, 1,391,009,719.80 and 497,358,117.20

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Solution

The fourth proportional to 927,339,813.20, 1,391,009,719.80 and 497,358,117.20 is: 746,037,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,339,813.20 : 1,391,009,719.80 = 497,358,117.20 : x
  2. Step 2: Convert to fraction form
    927,339,813.20/1,391,009,719.80 = 497,358,117.20/x
  3. Step 3: Cross multiply
    927,339,813.20x = 1,391,009,719.80 × 497,358,117.20
  4. Step 4: Simplify right side
    927,339,813.20x = 691,829,975,246,627,584
  5. Step 5: Solve for x
    x = 691,829,975,246,627,584/927,339,813.20
  6. Step 6: Final answer
    x = 746,037,175.80

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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.