Home / 1,069,709,495.40-1,604,564,243.10-977,876,490.60

Finding the Fourth Proportional to 1,069,709,495.40, 1,604,564,243.10 and 977,876,490.60

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Solution

The fourth proportional to 1,069,709,495.40, 1,604,564,243.10 and 977,876,490.60 is: 1,466,814,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,709,495.40 : 1,604,564,243.10 = 977,876,490.60 : x
  2. Step 2: Convert to fraction form
    1,069,709,495.40/1,604,564,243.10 = 977,876,490.60/x
  3. Step 3: Cross multiply
    1,069,709,495.40x = 1,604,564,243.10 × 977,876,490.60
  4. Step 4: Simplify right side
    1,069,709,495.40x = 1,569,065,650,984,873,216
  5. Step 5: Solve for x
    x = 1,569,065,650,984,873,216/1,069,709,495.40
  6. Step 6: Final answer
    x = 1,466,814,735.90

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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.