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Finding the Fourth Proportional to 995,646,746.40, 1,490,600,338.20 and 995,646,746.40

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Solution

The fourth proportional to 995,646,746.40, 1,490,600,338.20 and 995,646,746.40 is: 1,490,600,338.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,646,746.40 : 1,490,600,338.20 = 995,646,746.40 : x
  2. Step 2: Convert to fraction form
    995,646,746.40/1,490,600,338.20 = 995,646,746.40/x
  3. Step 3: Cross multiply
    995,646,746.40x = 1,490,600,338.20 × 995,646,746.40
  4. Step 4: Simplify right side
    995,646,746.40x = 1,484,111,376,911,569,664
  5. Step 5: Solve for x
    x = 1,484,111,376,911,569,664/995,646,746.40
  6. Step 6: Final answer
    x = 1,490,600,338.20

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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.