Home / 391,140,587,201.20-586,710,880,801.80-372,544,403,729.20

Finding the Fourth Proportional to 391,140,587,201.20, 586,710,880,801.80 and 372,544,403,729.20

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Solution

The fourth proportional to 391,140,587,201.20, 586,710,880,801.80 and 372,544,403,729.20 is: 558,816,605,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,140,587,201.20 : 586,710,880,801.80 = 372,544,403,729.20 : x
  2. Step 2: Convert to fraction form
    391,140,587,201.20/586,710,880,801.80 = 372,544,403,729.20/x
  3. Step 3: Cross multiply
    391,140,587,201.20x = 586,710,880,801.80 × 372,544,403,729.20
  4. Step 4: Simplify right side
    391,140,587,201.20x = 218,575,855,249,740,355,600,384
  5. Step 5: Solve for x
    x = 218,575,855,249,740,355,600,384/391,140,587,201.20
  6. Step 6: Final answer
    x = 558,816,605,593.80

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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.