Home / 1,008,003,148.70-1,510,810,329.45-425,736,268.70

Finding the Fourth Proportional to 1,008,003,148.70, 1,510,810,329.45 and 425,736,268.70

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Solution

The fourth proportional to 1,008,003,148.70, 1,510,810,329.45 and 425,736,268.70 is: 638,099,943.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,003,148.70 : 1,510,810,329.45 = 425,736,268.70 : x
  2. Step 2: Convert to fraction form
    1,008,003,148.70/1,510,810,329.45 = 425,736,268.70/x
  3. Step 3: Cross multiply
    1,008,003,148.70x = 1,510,810,329.45 × 425,736,268.70
  4. Step 4: Simplify right side
    1,008,003,148.70x = 643,206,752,373,460,736
  5. Step 5: Solve for x
    x = 643,206,752,373,460,736/1,008,003,148.70
  6. Step 6: Final answer
    x = 638,099,943.64

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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.