Home / 500,925,717.56-691,199,532.68-286,341,298.80

Finding the Fourth Proportional to 500,925,717.56, 691,199,532.68 and 286,341,298.80

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Solution

The fourth proportional to 500,925,717.56, 691,199,532.68 and 286,341,298.80 is: 395,106,429.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,925,717.56 : 691,199,532.68 = 286,341,298.80 : x
  2. Step 2: Convert to fraction form
    500,925,717.56/691,199,532.68 = 286,341,298.80/x
  3. Step 3: Cross multiply
    500,925,717.56x = 691,199,532.68 × 286,341,298.80
  4. Step 4: Simplify right side
    500,925,717.56x = 197,918,971,916,112,544
  5. Step 5: Solve for x
    x = 197,918,971,916,112,544/500,925,717.56
  6. Step 6: Final answer
    x = 395,106,429.92

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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.