Home / 1,069,709,147.40-1,604,563,721.10-977,876,142.60

Finding the Fourth Proportional to 1,069,709,147.40, 1,604,563,721.10 and 977,876,142.60

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Solution

The fourth proportional to 1,069,709,147.40, 1,604,563,721.10 and 977,876,142.60 is: 1,466,814,213.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,709,147.40 : 1,604,563,721.10 = 977,876,142.60 : x
  2. Step 2: Convert to fraction form
    1,069,709,147.40/1,604,563,721.10 = 977,876,142.60/x
  3. Step 3: Cross multiply
    1,069,709,147.40x = 1,604,563,721.10 × 977,876,142.60
  4. Step 4: Simplify right side
    1,069,709,147.40x = 1,569,064,582,145,170,176
  5. Step 5: Solve for x
    x = 1,569,064,582,145,170,176/1,069,709,147.40
  6. Step 6: Final answer
    x = 1,466,814,213.90

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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.