Home / 963,078,259.30-1,329,129,965.73-545,464,835.62

Finding the Fourth Proportional to 963,078,259.30, 1,329,129,965.73 and 545,464,835.62

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Solution

The fourth proportional to 963,078,259.30, 1,329,129,965.73 and 545,464,835.62 is: 752,787,897.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,078,259.30 : 1,329,129,965.73 = 545,464,835.62 : x
  2. Step 2: Convert to fraction form
    963,078,259.30/1,329,129,965.73 = 545,464,835.62/x
  3. Step 3: Cross multiply
    963,078,259.30x = 1,329,129,965.73 × 545,464,835.62
  4. Step 4: Simplify right side
    963,078,259.30x = 724,993,658,274,530,688
  5. Step 5: Solve for x
    x = 724,993,658,274,530,688/963,078,259.30
  6. Step 6: Final answer
    x = 752,787,897.84

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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.