Home / 756,868,815.60-1,135,303,223.40-684,309,404.40

Finding the Fourth Proportional to 756,868,815.60, 1,135,303,223.40 and 684,309,404.40

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Solution

The fourth proportional to 756,868,815.60, 1,135,303,223.40 and 684,309,404.40 is: 1,026,464,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,868,815.60 : 1,135,303,223.40 = 684,309,404.40 : x
  2. Step 2: Convert to fraction form
    756,868,815.60/1,135,303,223.40 = 684,309,404.40/x
  3. Step 3: Cross multiply
    756,868,815.60x = 1,135,303,223.40 × 684,309,404.40
  4. Step 4: Simplify right side
    756,868,815.60x = 776,898,672,618,254,208
  5. Step 5: Solve for x
    x = 776,898,672,618,254,208/756,868,815.60
  6. Step 6: Final answer
    x = 1,026,464,106.60

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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.