Home / 977,765,045.10-1,466,647,567.65-518,600,021.10

Finding the Fourth Proportional to 977,765,045.10, 1,466,647,567.65 and 518,600,021.10

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Solution

The fourth proportional to 977,765,045.10, 1,466,647,567.65 and 518,600,021.10 is: 777,900,031.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,765,045.10 : 1,466,647,567.65 = 518,600,021.10 : x
  2. Step 2: Convert to fraction form
    977,765,045.10/1,466,647,567.65 = 518,600,021.10/x
  3. Step 3: Cross multiply
    977,765,045.10x = 1,466,647,567.65 × 518,600,021.10
  4. Step 4: Simplify right side
    977,765,045.10x = 760,603,459,529,553,792
  5. Step 5: Solve for x
    x = 760,603,459,529,553,792/977,765,045.10
  6. Step 6: Final answer
    x = 777,900,031.65

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Double scale
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Similar ratio
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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.