Home / 1,105,199,994.12-1,525,864,303.80-703,540,373.04

Finding the Fourth Proportional to 1,105,199,994.12, 1,525,864,303.80 and 703,540,373.04

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Solution

The fourth proportional to 1,105,199,994.12, 1,525,864,303.80 and 703,540,373.04 is: 971,323,875.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,199,994.12 : 1,525,864,303.80 = 703,540,373.04 : x
  2. Step 2: Convert to fraction form
    1,105,199,994.12/1,525,864,303.80 = 703,540,373.04/x
  3. Step 3: Cross multiply
    1,105,199,994.12x = 1,525,864,303.80 × 703,540,373.04
  4. Step 4: Simplify right side
    1,105,199,994.12x = 1,073,507,141,503,871,744
  5. Step 5: Solve for x
    x = 1,073,507,141,503,871,744/1,105,199,994.12
  6. Step 6: Final answer
    x = 971,323,875.51

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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.