Home / 657,332,444.80-985,998,667.20-384,562,806.40

Finding the Fourth Proportional to 657,332,444.80, 985,998,667.20 and 384,562,806.40

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Solution

The fourth proportional to 657,332,444.80, 985,998,667.20 and 384,562,806.40 is: 576,844,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,332,444.80 : 985,998,667.20 = 384,562,806.40 : x
  2. Step 2: Convert to fraction form
    657,332,444.80/985,998,667.20 = 384,562,806.40/x
  3. Step 3: Cross multiply
    657,332,444.80x = 985,998,667.20 × 384,562,806.40
  4. Step 4: Simplify right side
    657,332,444.80x = 379,178,414,565,091,648
  5. Step 5: Solve for x
    x = 379,178,414,565,091,648/657,332,444.80
  6. Step 6: Final answer
    x = 576,844,209.60

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1.5x scale

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.