Home / 1,017,447,734.87-1,525,810,430.15-298,521,860.12

Finding the Fourth Proportional to 1,017,447,734.87, 1,525,810,430.15 and 298,521,860.12

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Solution

The fourth proportional to 1,017,447,734.87, 1,525,810,430.15 and 298,521,860.12 is: 447,676,821.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,447,734.87 : 1,525,810,430.15 = 298,521,860.12 : x
  2. Step 2: Convert to fraction form
    1,017,447,734.87/1,525,810,430.15 = 298,521,860.12/x
  3. Step 3: Cross multiply
    1,017,447,734.87x = 1,525,810,430.15 × 298,521,860.12
  4. Step 4: Simplify right side
    1,017,447,734.87x = 455,487,767,798,875,392
  5. Step 5: Solve for x
    x = 455,487,767,798,875,392/1,017,447,734.87
  6. Step 6: Final answer
    x = 447,676,821.31

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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.