Home / 769,559,421.60-1,061,963,550.72-417,127,845.69

Finding the Fourth Proportional to 769,559,421.60, 1,061,963,550.72 and 417,127,845.69

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Solution

The fourth proportional to 769,559,421.60, 1,061,963,550.72 and 417,127,845.69 is: 575,621,005.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,559,421.60 : 1,061,963,550.72 = 417,127,845.69 : x
  2. Step 2: Convert to fraction form
    769,559,421.60/1,061,963,550.72 = 417,127,845.69/x
  3. Step 3: Cross multiply
    769,559,421.60x = 1,061,963,550.72 × 417,127,845.69
  4. Step 4: Simplify right side
    769,559,421.60x = 442,974,568,113,136,640
  5. Step 5: Solve for x
    x = 442,974,568,113,136,640/769,559,421.60
  6. Step 6: Final answer
    x = 575,621,005.58

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Double scale
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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.