Home / 1,056,610,442.04-1,458,256,930.90-638,925,716.52

Finding the Fourth Proportional to 1,056,610,442.04, 1,458,256,930.90 and 638,925,716.52

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Solution

The fourth proportional to 1,056,610,442.04, 1,458,256,930.90 and 638,925,716.52 is: 881,798,832.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,610,442.04 : 1,458,256,930.90 = 638,925,716.52 : x
  2. Step 2: Convert to fraction form
    1,056,610,442.04/1,458,256,930.90 = 638,925,716.52/x
  3. Step 3: Cross multiply
    1,056,610,442.04x = 1,458,256,930.90 × 638,925,716.52
  4. Step 4: Simplify right side
    1,056,610,442.04x = 931,717,854,445,538,688
  5. Step 5: Solve for x
    x = 931,717,854,445,538,688/1,056,610,442.04
  6. Step 6: Final answer
    x = 881,798,832.73

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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.