Home / 1,429,918,453.58-1,973,311,063.45-786,201,585.80

Finding the Fourth Proportional to 1,429,918,453.58, 1,973,311,063.45 and 786,201,585.80

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Solution

The fourth proportional to 1,429,918,453.58, 1,973,311,063.45 and 786,201,585.80 is: 1,084,971,162.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,918,453.58 : 1,973,311,063.45 = 786,201,585.80 : x
  2. Step 2: Convert to fraction form
    1,429,918,453.58/1,973,311,063.45 = 786,201,585.80/x
  3. Step 3: Cross multiply
    1,429,918,453.58x = 1,973,311,063.45 × 786,201,585.80
  4. Step 4: Simplify right side
    1,429,918,453.58x = 1,551,420,287,355,126,784
  5. Step 5: Solve for x
    x = 1,551,420,287,355,126,784/1,429,918,453.58
  6. Step 6: Final answer
    x = 1,084,971,162.84

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Double scale
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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.