Home / 867,486,698.88-1,197,133,087.68-476,370,902.40

Finding the Fourth Proportional to 867,486,698.88, 1,197,133,087.68 and 476,370,902.40

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Solution

The fourth proportional to 867,486,698.88, 1,197,133,087.68 and 476,370,902.40 is: 657,392,637.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,486,698.88 : 1,197,133,087.68 = 476,370,902.40 : x
  2. Step 2: Convert to fraction form
    867,486,698.88/1,197,133,087.68 = 476,370,902.40/x
  3. Step 3: Cross multiply
    867,486,698.88x = 1,197,133,087.68 × 476,370,902.40
  4. Step 4: Simplify right side
    867,486,698.88x = 570,279,369,271,019,904
  5. Step 5: Solve for x
    x = 570,279,369,271,019,904/867,486,698.88
  6. Step 6: Final answer
    x = 657,392,637.84

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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.