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Finding the Fourth Proportional to 1,594,260,017.80, 2,391,390,026.70 and 978,848,715.40

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Solution

The fourth proportional to 1,594,260,017.80, 2,391,390,026.70 and 978,848,715.40 is: 1,468,273,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594,260,017.80 : 2,391,390,026.70 = 978,848,715.40 : x
  2. Step 2: Convert to fraction form
    1,594,260,017.80/2,391,390,026.70 = 978,848,715.40/x
  3. Step 3: Cross multiply
    1,594,260,017.80x = 2,391,390,026.70 × 978,848,715.40
  4. Step 4: Simplify right side
    1,594,260,017.80x = 2,340,809,055,655,666,688
  5. Step 5: Solve for x
    x = 2,340,809,055,655,666,688/1,594,260,017.80
  6. Step 6: Final answer
    x = 1,468,273,073.10

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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.