Home / 535,086,145.80-802,629,218.70-380,117,950.20

Finding the Fourth Proportional to 535,086,145.80, 802,629,218.70 and 380,117,950.20

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Solution

The fourth proportional to 535,086,145.80, 802,629,218.70 and 380,117,950.20 is: 570,176,925.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,086,145.80 : 802,629,218.70 = 380,117,950.20 : x
  2. Step 2: Convert to fraction form
    535,086,145.80/802,629,218.70 = 380,117,950.20/x
  3. Step 3: Cross multiply
    535,086,145.80x = 802,629,218.70 × 380,117,950.20
  4. Step 4: Simplify right side
    535,086,145.80x = 305,093,773,382,871,488
  5. Step 5: Solve for x
    x = 305,093,773,382,871,488/535,086,145.80
  6. Step 6: Final answer
    x = 570,176,925.30

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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.