Home / 1,056,610,367.64-1,458,256,828.14-638,925,642

Finding the Fourth Proportional to 1,056,610,367.64, 1,458,256,828.14 and 638,925,642

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Solution

The fourth proportional to 1,056,610,367.64, 1,458,256,828.14 and 638,925,642 is: 881,798,729.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,610,367.64 : 1,458,256,828.14 = 638,925,642 : x
  2. Step 2: Convert to fraction form
    1,056,610,367.64/1,458,256,828.14 = 638,925,642/x
  3. Step 3: Cross multiply
    1,056,610,367.64x = 1,458,256,828.14 × 638,925,642
  4. Step 4: Simplify right side
    1,056,610,367.64x = 931,717,680,120,233,216
  5. Step 5: Solve for x
    x = 931,717,680,120,233,216/1,056,610,367.64
  6. Step 6: Final answer
    x = 881,798,729.84

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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.