Home / 505,710,596,275.60-758,610,488,475.95-142,679,438,342.73

Finding the Fourth Proportional to 505,710,596,275.60, 758,610,488,475.95 and 142,679,438,342.73

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Solution

The fourth proportional to 505,710,596,275.60, 758,610,488,475.95 and 142,679,438,342.73 is: 214,031,739,128.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,710,596,275.60 : 758,610,488,475.95 = 142,679,438,342.73 : x
  2. Step 2: Convert to fraction form
    505,710,596,275.60/758,610,488,475.95 = 142,679,438,342.73/x
  3. Step 3: Cross multiply
    505,710,596,275.60x = 758,610,488,475.95 × 142,679,438,342.73
  4. Step 4: Simplify right side
    505,710,596,275.60x = 108,238,118,416,652,596,936,704
  5. Step 5: Solve for x
    x = 108,238,118,416,652,596,936,704/505,710,596,275.60
  6. Step 6: Final answer
    x = 214,031,739,128.65

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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.