Home / 1,946,503,315.80-2,920,038,408.90-636,087,907.80

Finding the Fourth Proportional to 1,946,503,315.80, 2,920,038,408.90 and 636,087,907.80

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Solution

The fourth proportional to 1,946,503,315.80, 2,920,038,408.90 and 636,087,907.80 is: 954,224,484.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946,503,315.80 : 2,920,038,408.90 = 636,087,907.80 : x
  2. Step 2: Convert to fraction form
    1,946,503,315.80/2,920,038,408.90 = 636,087,907.80/x
  3. Step 3: Cross multiply
    1,946,503,315.80x = 2,920,038,408.90 × 636,087,907.80
  4. Step 4: Simplify right side
    1,946,503,315.80x = 1,857,401,122,212,841,728
  5. Step 5: Solve for x
    x = 1,857,401,122,212,841,728/1,946,503,315.80
  6. Step 6: Final answer
    x = 954,224,484.05

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Double scale
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1.5x scale

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.