Home / 2,779,656,261.32-4,169,480,870.94-709,378,069.64

Finding the Fourth Proportional to 2,779,656,261.32, 4,169,480,870.94 and 709,378,069.64

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Solution

The fourth proportional to 2,779,656,261.32, 4,169,480,870.94 and 709,378,069.64 is: 1,064,066,205.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779,656,261.32 : 4,169,480,870.94 = 709,378,069.64 : x
  2. Step 2: Convert to fraction form
    2,779,656,261.32/4,169,480,870.94 = 709,378,069.64/x
  3. Step 3: Cross multiply
    2,779,656,261.32x = 4,169,480,870.94 × 709,378,069.64
  4. Step 4: Simplify right side
    2,779,656,261.32x = 2,957,738,291,628,323,328
  5. Step 5: Solve for x
    x = 2,957,738,291,628,323,328/2,779,656,261.32
  6. Step 6: Final answer
    x = 1,064,066,205.88

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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.