Home / 484,762,840.86-668,973,468.87-275,918,981.34

Finding the Fourth Proportional to 484,762,840.86, 668,973,468.87 and 275,918,981.34

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Solution

The fourth proportional to 484,762,840.86, 668,973,468.87 and 275,918,981.34 is: 380,768,620.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,762,840.86 : 668,973,468.87 = 275,918,981.34 : x
  2. Step 2: Convert to fraction form
    484,762,840.86/668,973,468.87 = 275,918,981.34/x
  3. Step 3: Cross multiply
    484,762,840.86x = 668,973,468.87 × 275,918,981.34
  4. Step 4: Simplify right side
    484,762,840.86x = 184,582,478,074,096,576
  5. Step 5: Solve for x
    x = 184,582,478,074,096,576/484,762,840.86
  6. Step 6: Final answer
    x = 380,768,620.27

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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.