Home / 505,710,596,276.76-758,610,488,477.77-142,679,438,343.87

Finding the Fourth Proportional to 505,710,596,276.76, 758,610,488,477.77 and 142,679,438,343.87

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Solution

The fourth proportional to 505,710,596,276.76, 758,610,488,477.77 and 142,679,438,343.87 is: 214,031,739,130.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,710,596,276.76 : 758,610,488,477.77 = 142,679,438,343.87 : x
  2. Step 2: Convert to fraction form
    505,710,596,276.76/758,610,488,477.77 = 142,679,438,343.87/x
  3. Step 3: Cross multiply
    505,710,596,276.76x = 758,610,488,477.77 × 142,679,438,343.87
  4. Step 4: Simplify right side
    505,710,596,276.76x = 108,238,118,417,777,089,839,104
  5. Step 5: Solve for x
    x = 108,238,118,417,777,089,839,104/505,710,596,276.76
  6. Step 6: Final answer
    x = 214,031,739,130.38

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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.