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Finding the Fourth Proportional to 645,151,804.80, 966,384,014.40 and 645,151,804.80

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Solution

The fourth proportional to 645,151,804.80, 966,384,014.40 and 645,151,804.80 is: 966,384,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,151,804.80 : 966,384,014.40 = 645,151,804.80 : x
  2. Step 2: Convert to fraction form
    645,151,804.80/966,384,014.40 = 645,151,804.80/x
  3. Step 3: Cross multiply
    645,151,804.80x = 966,384,014.40 × 645,151,804.80
  4. Step 4: Simplify right side
    645,151,804.80x = 623,464,391,020,029,184
  5. Step 5: Solve for x
    x = 623,464,391,020,029,184/645,151,804.80
  6. Step 6: Final answer
    x = 966,384,014.40

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Double scale
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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.