Home / 1,250,384,123.08-1,875,861,874.86-432,495,733.96

Finding the Fourth Proportional to 1,250,384,123.08, 1,875,861,874.86 and 432,495,733.96

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Solution

The fourth proportional to 1,250,384,123.08, 1,875,861,874.86 and 432,495,733.96 is: 648,842,418.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,384,123.08 : 1,875,861,874.86 = 432,495,733.96 : x
  2. Step 2: Convert to fraction form
    1,250,384,123.08/1,875,861,874.86 = 432,495,733.96/x
  3. Step 3: Cross multiply
    1,250,384,123.08x = 1,875,861,874.86 × 432,495,733.96
  4. Step 4: Simplify right side
    1,250,384,123.08x = 811,302,258,375,157,248
  5. Step 5: Solve for x
    x = 811,302,258,375,157,248/1,250,384,123.08
  6. Step 6: Final answer
    x = 648,842,418.42

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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.