Home / 928,961,045.10-1,393,441,567.65-376,528,125.60

Finding the Fourth Proportional to 928,961,045.10, 1,393,441,567.65 and 376,528,125.60

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Solution

The fourth proportional to 928,961,045.10, 1,393,441,567.65 and 376,528,125.60 is: 564,792,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,961,045.10 : 1,393,441,567.65 = 376,528,125.60 : x
  2. Step 2: Convert to fraction form
    928,961,045.10/1,393,441,567.65 = 376,528,125.60/x
  3. Step 3: Cross multiply
    928,961,045.10x = 1,393,441,567.65 × 376,528,125.60
  4. Step 4: Simplify right side
    928,961,045.10x = 524,669,941,600,380,160
  5. Step 5: Solve for x
    x = 524,669,941,600,380,160/928,961,045.10
  6. Step 6: Final answer
    x = 564,792,188.40

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Double scale
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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.