Home / 1,577,236,176.90-2,365,630,316.55-542,144,823.30

Finding the Fourth Proportional to 1,577,236,176.90, 2,365,630,316.55 and 542,144,823.30

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Solution

The fourth proportional to 1,577,236,176.90, 2,365,630,316.55 and 542,144,823.30 is: 813,140,256.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,236,176.90 : 2,365,630,316.55 = 542,144,823.30 : x
  2. Step 2: Convert to fraction form
    1,577,236,176.90/2,365,630,316.55 = 542,144,823.30/x
  3. Step 3: Cross multiply
    1,577,236,176.90x = 2,365,630,316.55 × 542,144,823.30
  4. Step 4: Simplify right side
    1,577,236,176.90x = 1,282,514,229,959,122,688
  5. Step 5: Solve for x
    x = 1,282,514,229,959,122,688/1,577,236,176.90
  6. Step 6: Final answer
    x = 813,140,256.83

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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.