Home / 995,409,872.70-1,492,915,743.45-477,839,312.70

Finding the Fourth Proportional to 995,409,872.70, 1,492,915,743.45 and 477,839,312.70

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Solution

The fourth proportional to 995,409,872.70, 1,492,915,743.45 and 477,839,312.70 is: 716,663,409.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,409,872.70 : 1,492,915,743.45 = 477,839,312.70 : x
  2. Step 2: Convert to fraction form
    995,409,872.70/1,492,915,743.45 = 477,839,312.70/x
  3. Step 3: Cross multiply
    995,409,872.70x = 1,492,915,743.45 × 477,839,312.70
  4. Step 4: Simplify right side
    995,409,872.70x = 713,373,832,769,157,504
  5. Step 5: Solve for x
    x = 713,373,832,769,157,504/995,409,872.70
  6. Step 6: Final answer
    x = 716,663,409.05

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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.