Home / 985,637,594.52-1,479,909,765.08-549,789,839.64

Finding the Fourth Proportional to 985,637,594.52, 1,479,909,765.08 and 549,789,839.64

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Solution

The fourth proportional to 985,637,594.52, 1,479,909,765.08 and 549,789,839.64 is: 825,495,452.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,637,594.52 : 1,479,909,765.08 = 549,789,839.64 : x
  2. Step 2: Convert to fraction form
    985,637,594.52/1,479,909,765.08 = 549,789,839.64/x
  3. Step 3: Cross multiply
    985,637,594.52x = 1,479,909,765.08 × 549,789,839.64
  4. Step 4: Simplify right side
    985,637,594.52x = 813,639,352,425,003,264
  5. Step 5: Solve for x
    x = 813,639,352,425,003,264/985,637,594.52
  6. Step 6: Final answer
    x = 825,495,452.84

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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.