Home / 947,285,425.86-1,421,025,597.27-357,572,390.10

Finding the Fourth Proportional to 947,285,425.86, 1,421,025,597.27 and 357,572,390.10

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Solution

The fourth proportional to 947,285,425.86, 1,421,025,597.27 and 357,572,390.10 is: 536,395,372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,285,425.86 : 1,421,025,597.27 = 357,572,390.10 : x
  2. Step 2: Convert to fraction form
    947,285,425.86/1,421,025,597.27 = 357,572,390.10/x
  3. Step 3: Cross multiply
    947,285,425.86x = 1,421,025,597.27 × 357,572,390.10
  4. Step 4: Simplify right side
    947,285,425.86x = 508,119,519,209,113,984
  5. Step 5: Solve for x
    x = 508,119,519,209,113,984/947,285,425.86
  6. Step 6: Final answer
    x = 536,395,372.86

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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.