Home / 1,297,756,372.19-1,943,406,054.19-907,753,079.93

Finding the Fourth Proportional to 1,297,756,372.19, 1,943,406,054.19 and 907,753,079.93

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Solution

The fourth proportional to 1,297,756,372.19, 1,943,406,054.19 and 907,753,079.93 is: 1,359,371,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,756,372.19 : 1,943,406,054.19 = 907,753,079.93 : x
  2. Step 2: Convert to fraction form
    1,297,756,372.19/1,943,406,054.19 = 907,753,079.93/x
  3. Step 3: Cross multiply
    1,297,756,372.19x = 1,943,406,054.19 × 907,753,079.93
  4. Step 4: Simplify right side
    1,297,756,372.19x = 1,764,132,831,237,043,968
  5. Step 5: Solve for x
    x = 1,764,132,831,237,043,968/1,297,756,372.19
  6. Step 6: Final answer
    x = 1,359,371,349.70

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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.