Home / 995,409,979.70-1,492,915,903.95-477,839,419.70

Finding the Fourth Proportional to 995,409,979.70, 1,492,915,903.95 and 477,839,419.70

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Solution

The fourth proportional to 995,409,979.70, 1,492,915,903.95 and 477,839,419.70 is: 716,663,569.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,409,979.70 : 1,492,915,903.95 = 477,839,419.70 : x
  2. Step 2: Convert to fraction form
    995,409,979.70/1,492,915,903.95 = 477,839,419.70/x
  3. Step 3: Cross multiply
    995,409,979.70x = 1,492,915,903.95 × 477,839,419.70
  4. Step 4: Simplify right side
    995,409,979.70x = 713,374,069,204,368,896
  5. Step 5: Solve for x
    x = 713,374,069,204,368,896/995,409,979.70
  6. Step 6: Final answer
    x = 716,663,569.54

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1.5x scale

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.