Home / 645,864,109.60-968,796,164.40-645,864,109.60

Finding the Fourth Proportional to 645,864,109.60, 968,796,164.40 and 645,864,109.60

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Solution

The fourth proportional to 645,864,109.60, 968,796,164.40 and 645,864,109.60 is: 968,796,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,864,109.60 : 968,796,164.40 = 645,864,109.60 : x
  2. Step 2: Convert to fraction form
    645,864,109.60/968,796,164.40 = 645,864,109.60/x
  3. Step 3: Cross multiply
    645,864,109.60x = 968,796,164.40 × 645,864,109.60
  4. Step 4: Simplify right side
    645,864,109.60x = 625,710,672,104,101,248
  5. Step 5: Solve for x
    x = 625,710,672,104,101,248/645,864,109.60
  6. Step 6: Final answer
    x = 968,796,164.40

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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.