Home / 660,008,527,454.16-989,307,938,217.60-376,416,729,506.16

Finding the Fourth Proportional to 660,008,527,454.16, 989,307,938,217.60 and 376,416,729,506.16

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Solution

The fourth proportional to 660,008,527,454.16, 989,307,938,217.60 and 376,416,729,506.16 is: 564,223,101,805.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,008,527,454.16 : 989,307,938,217.60 = 376,416,729,506.16 : x
  2. Step 2: Convert to fraction form
    660,008,527,454.16/989,307,938,217.60 = 376,416,729,506.16/x
  3. Step 3: Cross multiply
    660,008,527,454.16x = 989,307,938,217.60 × 376,416,729,506.16
  4. Step 4: Simplify right side
    660,008,527,454.16x = 372,392,058,578,351,125,692,416
  5. Step 5: Solve for x
    x = 372,392,058,578,351,125,692,416/660,008,527,454.16
  6. Step 6: Final answer
    x = 564,223,101,805.63

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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.