Home / 478,860,176.95-660,826,751.90-258,843,602.95

Finding the Fourth Proportional to 478,860,176.95, 660,826,751.90 and 258,843,602.95

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Solution

The fourth proportional to 478,860,176.95, 660,826,751.90 and 258,843,602.95 is: 357,204,014.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,860,176.95 : 660,826,751.90 = 258,843,602.95 : x
  2. Step 2: Convert to fraction form
    478,860,176.95/660,826,751.90 = 258,843,602.95/x
  3. Step 3: Cross multiply
    478,860,176.95x = 660,826,751.90 × 258,843,602.95
  4. Step 4: Simplify right side
    478,860,176.95x = 171,050,777,384,595,456
  5. Step 5: Solve for x
    x = 171,050,777,384,595,456/478,860,176.95
  6. Step 6: Final answer
    x = 357,204,014.07

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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.