Home / 783,435,648.20-1,175,153,472.30-553,853,136.20

Finding the Fourth Proportional to 783,435,648.20, 1,175,153,472.30 and 553,853,136.20

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Solution

The fourth proportional to 783,435,648.20, 1,175,153,472.30 and 553,853,136.20 is: 830,779,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,435,648.20 : 1,175,153,472.30 = 553,853,136.20 : x
  2. Step 2: Convert to fraction form
    783,435,648.20/1,175,153,472.30 = 553,853,136.20/x
  3. Step 3: Cross multiply
    783,435,648.20x = 1,175,153,472.30 × 553,853,136.20
  4. Step 4: Simplify right side
    783,435,648.20x = 650,862,436,149,674,880
  5. Step 5: Solve for x
    x = 650,862,436,149,674,880/783,435,648.20
  6. Step 6: Final answer
    x = 830,779,704.30

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Double scale
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Similar ratio
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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.