Home / 691,033,910.18-948,550,681.20-610,963,466.18

Finding the Fourth Proportional to 691,033,910.18, 948,550,681.20 and 610,963,466.18

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Solution

The fourth proportional to 691,033,910.18, 948,550,681.20 and 610,963,466.18 is: 838,641,640.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,033,910.18 : 948,550,681.20 = 610,963,466.18 : x
  2. Step 2: Convert to fraction form
    691,033,910.18/948,550,681.20 = 610,963,466.18/x
  3. Step 3: Cross multiply
    691,033,910.18x = 948,550,681.20 × 610,963,466.18
  4. Step 4: Simplify right side
    691,033,910.18x = 579,529,812,030,900,480
  5. Step 5: Solve for x
    x = 579,529,812,030,900,480/691,033,910.18
  6. Step 6: Final answer
    x = 838,641,640.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.