Home / 1,260,574,997.16-1,891,117,600.38-442,751,071.08

Finding the Fourth Proportional to 1,260,574,997.16, 1,891,117,600.38 and 442,751,071.08

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Solution

The fourth proportional to 1,260,574,997.16, 1,891,117,600.38 and 442,751,071.08 is: 664,216,206.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,574,997.16 : 1,891,117,600.38 = 442,751,071.08 : x
  2. Step 2: Convert to fraction form
    1,260,574,997.16/1,891,117,600.38 = 442,751,071.08/x
  3. Step 3: Cross multiply
    1,260,574,997.16x = 1,891,117,600.38 × 442,751,071.08
  4. Step 4: Simplify right side
    1,260,574,997.16x = 837,294,343,106,484,480
  5. Step 5: Solve for x
    x = 837,294,343,106,484,480/1,260,574,997.16
  6. Step 6: Final answer
    x = 664,216,206.88

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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.