Home / 646,429,016.68-969,779,705.87-209,695,599.70

Finding the Fourth Proportional to 646,429,016.68, 969,779,705.87 and 209,695,599.70

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Solution

The fourth proportional to 646,429,016.68, 969,779,705.87 and 209,695,599.70 is: 314,587,575.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,429,016.68 : 969,779,705.87 = 209,695,599.70 : x
  2. Step 2: Convert to fraction form
    646,429,016.68/969,779,705.87 = 209,695,599.70/x
  3. Step 3: Cross multiply
    646,429,016.68x = 969,779,705.87 × 209,695,599.70
  4. Step 4: Simplify right side
    646,429,016.68x = 203,358,536,999,299,264
  5. Step 5: Solve for x
    x = 203,358,536,999,299,264/646,429,016.68
  6. Step 6: Final answer
    x = 314,587,575.36

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