Home / 1,069,709,741.40-1,604,564,612.10-977,876,736.60

Finding the Fourth Proportional to 1,069,709,741.40, 1,604,564,612.10 and 977,876,736.60

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Solution

The fourth proportional to 1,069,709,741.40, 1,604,564,612.10 and 977,876,736.60 is: 1,466,815,104.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,709,741.40 : 1,604,564,612.10 = 977,876,736.60 : x
  2. Step 2: Convert to fraction form
    1,069,709,741.40/1,604,564,612.10 = 977,876,736.60/x
  3. Step 3: Cross multiply
    1,069,709,741.40x = 1,604,564,612.10 × 977,876,736.60
  4. Step 4: Simplify right side
    1,069,709,741.40x = 1,569,066,406,544,192,768
  5. Step 5: Solve for x
    x = 1,569,066,406,544,192,768/1,069,709,741.40
  6. Step 6: Final answer
    x = 1,466,815,104.90

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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.