Home / 1,270,821,108.12-1,753,228,831.50-734,873,741.16

Finding the Fourth Proportional to 1,270,821,108.12, 1,753,228,831.50 and 734,873,741.16

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Solution

The fourth proportional to 1,270,821,108.12, 1,753,228,831.50 and 734,873,741.16 is: 1,013,834,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,821,108.12 : 1,753,228,831.50 = 734,873,741.16 : x
  2. Step 2: Convert to fraction form
    1,270,821,108.12/1,753,228,831.50 = 734,873,741.16/x
  3. Step 3: Cross multiply
    1,270,821,108.12x = 1,753,228,831.50 × 734,873,741.16
  4. Step 4: Simplify right side
    1,270,821,108.12x = 1,288,401,830,513,980,160
  5. Step 5: Solve for x
    x = 1,288,401,830,513,980,160/1,270,821,108.12
  6. Step 6: Final answer
    x = 1,013,834,144.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.