Home / 1,292,296,404.60-1,938,484,038.65-505,318,626.36

Finding the Fourth Proportional to 1,292,296,404.60, 1,938,484,038.65 and 505,318,626.36

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Solution

The fourth proportional to 1,292,296,404.60, 1,938,484,038.65 and 505,318,626.36 is: 757,993,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,296,404.60 : 1,938,484,038.65 = 505,318,626.36 : x
  2. Step 2: Convert to fraction form
    1,292,296,404.60/1,938,484,038.65 = 505,318,626.36/x
  3. Step 3: Cross multiply
    1,292,296,404.60x = 1,938,484,038.65 × 505,318,626.36
  4. Step 4: Simplify right side
    1,292,296,404.60x = 979,552,091,628,876,544
  5. Step 5: Solve for x
    x = 979,552,091,628,876,544/1,292,296,404.60
  6. Step 6: Final answer
    x = 757,993,358.29

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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.