Home / 726,862,401.60-1,090,293,602.40-654,302,990.40

Finding the Fourth Proportional to 726,862,401.60, 1,090,293,602.40 and 654,302,990.40

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Solution

The fourth proportional to 726,862,401.60, 1,090,293,602.40 and 654,302,990.40 is: 981,454,485.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,862,401.60 : 1,090,293,602.40 = 654,302,990.40 : x
  2. Step 2: Convert to fraction form
    726,862,401.60/1,090,293,602.40 = 654,302,990.40/x
  3. Step 3: Cross multiply
    726,862,401.60x = 1,090,293,602.40 × 654,302,990.40
  4. Step 4: Simplify right side
    726,862,401.60x = 713,382,364,464,308,608
  5. Step 5: Solve for x
    x = 713,382,364,464,308,608/726,862,401.60
  6. Step 6: Final answer
    x = 981,454,485.60

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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.