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Finding the Fourth Proportional to 319,688,852.70, 448,017,890.10 and 319,688,852.70

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Solution

The fourth proportional to 319,688,852.70, 448,017,890.10 and 319,688,852.70 is: 448,017,890.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,688,852.70 : 448,017,890.10 = 319,688,852.70 : x
  2. Step 2: Convert to fraction form
    319,688,852.70/448,017,890.10 = 319,688,852.70/x
  3. Step 3: Cross multiply
    319,688,852.70x = 448,017,890.10 × 319,688,852.70
  4. Step 4: Simplify right side
    319,688,852.70x = 143,226,325,275,143,696
  5. Step 5: Solve for x
    x = 143,226,325,275,143,696/319,688,852.70
  6. Step 6: Final answer
    x = 448,017,890.10

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