Home / 977,887,538.30-1,466,831,307.45-322,939,649.90

Finding the Fourth Proportional to 977,887,538.30, 1,466,831,307.45 and 322,939,649.90

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Solution

The fourth proportional to 977,887,538.30, 1,466,831,307.45 and 322,939,649.90 is: 484,409,474.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,887,538.30 : 1,466,831,307.45 = 322,939,649.90 : x
  2. Step 2: Convert to fraction form
    977,887,538.30/1,466,831,307.45 = 322,939,649.90/x
  3. Step 3: Cross multiply
    977,887,538.30x = 1,466,831,307.45 × 322,939,649.90
  4. Step 4: Simplify right side
    977,887,538.30x = 473,697,988,890,262,272
  5. Step 5: Solve for x
    x = 473,697,988,890,262,272/977,887,538.30
  6. Step 6: Final answer
    x = 484,409,474.85

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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.