Home / 575,261,298.22-862,886,742.87-181,788,189.32

Finding the Fourth Proportional to 575,261,298.22, 862,886,742.87 and 181,788,189.32

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Solution

The fourth proportional to 575,261,298.22, 862,886,742.87 and 181,788,189.32 is: 272,680,639.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,261,298.22 : 862,886,742.87 = 181,788,189.32 : x
  2. Step 2: Convert to fraction form
    575,261,298.22/862,886,742.87 = 181,788,189.32/x
  3. Step 3: Cross multiply
    575,261,298.22x = 862,886,742.87 × 181,788,189.32
  4. Step 4: Simplify right side
    575,261,298.22x = 156,862,618,573,660,768
  5. Step 5: Solve for x
    x = 156,862,618,573,660,768/575,261,298.22
  6. Step 6: Final answer
    x = 272,680,639.32

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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.