Home / 833,529,220.47-1,249,976,017.35-280,683,216.27

Finding the Fourth Proportional to 833,529,220.47, 1,249,976,017.35 and 280,683,216.27

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Solution

The fourth proportional to 833,529,220.47, 1,249,976,017.35 and 280,683,216.27 is: 420,917,803.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,529,220.47 : 1,249,976,017.35 = 280,683,216.27 : x
  2. Step 2: Convert to fraction form
    833,529,220.47/1,249,976,017.35 = 280,683,216.27/x
  3. Step 3: Cross multiply
    833,529,220.47x = 1,249,976,017.35 × 280,683,216.27
  4. Step 4: Simplify right side
    833,529,220.47x = 350,847,288,810,163,264
  5. Step 5: Solve for x
    x = 350,847,288,810,163,264/833,529,220.47
  6. Step 6: Final answer
    x = 420,917,803.71

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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.