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Finding the Fourth Proportional to 139,513,105,055.40, 209,269,657,583.10 and 139,513,105,055.40

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Solution

The fourth proportional to 139,513,105,055.40, 209,269,657,583.10 and 139,513,105,055.40 is: 209,269,657,583.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,513,105,055.40 : 209,269,657,583.10 = 139,513,105,055.40 : x
  2. Step 2: Convert to fraction form
    139,513,105,055.40/209,269,657,583.10 = 139,513,105,055.40/x
  3. Step 3: Cross multiply
    139,513,105,055.40x = 209,269,657,583.10 × 139,513,105,055.40
  4. Step 4: Simplify right side
    139,513,105,055.40x = 29,195,859,723,298,617,163,776
  5. Step 5: Solve for x
    x = 29,195,859,723,298,617,163,776/139,513,105,055.40
  6. Step 6: Final answer
    x = 209,269,657,583.10

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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.