Home / 690,628,998.40-1,035,943,497.60-690,628,998.40

Finding the Fourth Proportional to 690,628,998.40, 1,035,943,497.60 and 690,628,998.40

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Solution

The fourth proportional to 690,628,998.40, 1,035,943,497.60 and 690,628,998.40 is: 1,035,943,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,628,998.40 : 1,035,943,497.60 = 690,628,998.40 : x
  2. Step 2: Convert to fraction form
    690,628,998.40/1,035,943,497.60 = 690,628,998.40/x
  3. Step 3: Cross multiply
    690,628,998.40x = 1,035,943,497.60 × 690,628,998.40
  4. Step 4: Simplify right side
    690,628,998.40x = 715,452,620,146,480,768
  5. Step 5: Solve for x
    x = 715,452,620,146,480,768/690,628,998.40
  6. Step 6: Final answer
    x = 1,035,943,497.60

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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.