Home / 963,078,256.30-1,329,129,961.59-545,464,832.62

Finding the Fourth Proportional to 963,078,256.30, 1,329,129,961.59 and 545,464,832.62

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Solution

The fourth proportional to 963,078,256.30, 1,329,129,961.59 and 545,464,832.62 is: 752,787,893.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,078,256.30 : 1,329,129,961.59 = 545,464,832.62 : x
  2. Step 2: Convert to fraction form
    963,078,256.30/1,329,129,961.59 = 545,464,832.62/x
  3. Step 3: Cross multiply
    963,078,256.30x = 1,329,129,961.59 × 545,464,832.62
  4. Step 4: Simplify right side
    963,078,256.30x = 724,993,652,028,916,352
  5. Step 5: Solve for x
    x = 724,993,652,028,916,352/963,078,256.30
  6. Step 6: Final answer
    x = 752,787,893.70

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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.