Home / 1,124,763,145.60-1,688,140,046.40-664,125,347.20

Finding the Fourth Proportional to 1,124,763,145.60, 1,688,140,046.40 and 664,125,347.20

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Solution

The fourth proportional to 1,124,763,145.60, 1,688,140,046.40 and 664,125,347.20 is: 996,775,720.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,763,145.60 : 1,688,140,046.40 = 664,125,347.20 : x
  2. Step 2: Convert to fraction form
    1,124,763,145.60/1,688,140,046.40 = 664,125,347.20/x
  3. Step 3: Cross multiply
    1,124,763,145.60x = 1,688,140,046.40 × 664,125,347.20
  4. Step 4: Simplify right side
    1,124,763,145.60x = 1,121,136,594,437,624,192
  5. Step 5: Solve for x
    x = 1,121,136,594,437,624,192/1,124,763,145.60
  6. Step 6: Final answer
    x = 996,775,720.14

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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.