Home / 1,312,044,265.72-1,810,658,876.70-725,371,193.08

Finding the Fourth Proportional to 1,312,044,265.72, 1,810,658,876.70 and 725,371,193.08

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Solution

The fourth proportional to 1,312,044,265.72, 1,810,658,876.70 and 725,371,193.08 is: 1,001,033,138.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,044,265.72 : 1,810,658,876.70 = 725,371,193.08 : x
  2. Step 2: Convert to fraction form
    1,312,044,265.72/1,810,658,876.70 = 725,371,193.08/x
  3. Step 3: Cross multiply
    1,312,044,265.72x = 1,810,658,876.70 × 725,371,193.08
  4. Step 4: Simplify right side
    1,312,044,265.72x = 1,313,399,789,652,771,840
  5. Step 5: Solve for x
    x = 1,313,399,789,652,771,840/1,312,044,265.72
  6. Step 6: Final answer
    x = 1,001,033,138.87

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Double scale
Find fourth proportional to 1,312,044,266.72, 1,810,658,878.08 and 725,371,194.08
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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.