Home / 623,437,773.47-860,343,565.87-351,915,410.16

Finding the Fourth Proportional to 623,437,773.47, 860,343,565.87 and 351,915,410.16

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Solution

The fourth proportional to 623,437,773.47, 860,343,565.87 and 351,915,410.16 is: 485,642,949.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,437,773.47 : 860,343,565.87 = 351,915,410.16 : x
  2. Step 2: Convert to fraction form
    623,437,773.47/860,343,565.87 = 351,915,410.16/x
  3. Step 3: Cross multiply
    623,437,773.47x = 860,343,565.87 × 351,915,410.16
  4. Step 4: Simplify right side
    623,437,773.47x = 302,768,158,861,658,048
  5. Step 5: Solve for x
    x = 302,768,158,861,658,048/623,437,773.47
  6. Step 6: Final answer
    x = 485,642,949.06

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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.