Home / 1,011,328,717.32-1,395,629,590.95-565,291,598.22

Finding the Fourth Proportional to 1,011,328,717.32, 1,395,629,590.95 and 565,291,598.22

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Solution

The fourth proportional to 1,011,328,717.32, 1,395,629,590.95 and 565,291,598.22 is: 780,100,147.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,328,717.32 : 1,395,629,590.95 = 565,291,598.22 : x
  2. Step 2: Convert to fraction form
    1,011,328,717.32/1,395,629,590.95 = 565,291,598.22/x
  3. Step 3: Cross multiply
    1,011,328,717.32x = 1,395,629,590.95 × 565,291,598.22
  4. Step 4: Simplify right side
    1,011,328,717.32x = 788,937,681,991,250,432
  5. Step 5: Solve for x
    x = 788,937,681,991,250,432/1,011,328,717.32
  6. Step 6: Final answer
    x = 780,100,147.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.