Home / 1,170,899,977.50-1,756,386,357.93-434,153,215.26

Finding the Fourth Proportional to 1,170,899,977.50, 1,756,386,357.93 and 434,153,215.26

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Solution

The fourth proportional to 1,170,899,977.50, 1,756,386,357.93 and 434,153,215.26 is: 651,243,316.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,899,977.50 : 1,756,386,357.93 = 434,153,215.26 : x
  2. Step 2: Convert to fraction form
    1,170,899,977.50/1,756,386,357.93 = 434,153,215.26/x
  3. Step 3: Cross multiply
    1,170,899,977.50x = 1,756,386,357.93 × 434,153,215.26
  4. Step 4: Simplify right side
    1,170,899,977.50x = 762,540,784,534,110,720
  5. Step 5: Solve for x
    x = 762,540,784,534,110,720/1,170,899,977.50
  6. Step 6: Final answer
    x = 651,243,316.41

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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.