Home / 1,109,599,199.14-1,530,666,356.66-686,077,476.52

Finding the Fourth Proportional to 1,109,599,199.14, 1,530,666,356.66 and 686,077,476.52

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Solution

The fourth proportional to 1,109,599,199.14, 1,530,666,356.66 and 686,077,476.52 is: 946,427,964.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,599,199.14 : 1,530,666,356.66 = 686,077,476.52 : x
  2. Step 2: Convert to fraction form
    1,109,599,199.14/1,530,666,356.66 = 686,077,476.52/x
  3. Step 3: Cross multiply
    1,109,599,199.14x = 1,530,666,356.66 × 686,077,476.52
  4. Step 4: Simplify right side
    1,109,599,199.14x = 1,050,155,711,371,355,136
  5. Step 5: Solve for x
    x = 1,050,155,711,371,355,136/1,109,599,199.14
  6. Step 6: Final answer
    x = 946,427,964.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.