Home / 927,339,829.20-1,391,009,743.80-497,358,133.20

Finding the Fourth Proportional to 927,339,829.20, 1,391,009,743.80 and 497,358,133.20

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Solution

The fourth proportional to 927,339,829.20, 1,391,009,743.80 and 497,358,133.20 is: 746,037,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,339,829.20 : 1,391,009,743.80 = 497,358,133.20 : x
  2. Step 2: Convert to fraction form
    927,339,829.20/1,391,009,743.80 = 497,358,133.20/x
  3. Step 3: Cross multiply
    927,339,829.20x = 1,391,009,743.80 × 497,358,133.20
  4. Step 4: Simplify right side
    927,339,829.20x = 691,830,009,439,378,176
  5. Step 5: Solve for x
    x = 691,830,009,439,378,176/927,339,829.20
  6. Step 6: Final answer
    x = 746,037,199.80

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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.