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Finding the Fourth Proportional to 1,763,706,992.36, 2,645,567,621 and 714,465,038.40

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Solution

The fourth proportional to 1,763,706,992.36, 2,645,567,621 and 714,465,038.40 is: 1,071,700,446.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763,706,992.36 : 2,645,567,621 = 714,465,038.40 : x
  2. Step 2: Convert to fraction form
    1,763,706,992.36/2,645,567,621 = 714,465,038.40/x
  3. Step 3: Cross multiply
    1,763,706,992.36x = 2,645,567,621 × 714,465,038.40
  4. Step 4: Simplify right side
    1,763,706,992.36x = 1,890,165,571,927,561,472
  5. Step 5: Solve for x
    x = 1,890,165,571,927,561,472/1,763,706,992.36
  6. Step 6: Final answer
    x = 1,071,700,446.91

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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.