Home / 14,159,246,320.67-19,539,761,835.71-7,815,615,350.74

Finding the Fourth Proportional to 14,159,246,320.67, 19,539,761,835.71 and 7,815,615,350.74

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Solution

The fourth proportional to 14,159,246,320.67, 19,539,761,835.71 and 7,815,615,350.74 is: 10,785,550,240.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159,246,320.67 : 19,539,761,835.71 = 7,815,615,350.74 : x
  2. Step 2: Convert to fraction form
    14,159,246,320.67/19,539,761,835.71 = 7,815,615,350.74/x
  3. Step 3: Cross multiply
    14,159,246,320.67x = 19,539,761,835.71 × 7,815,615,350.74
  4. Step 4: Simplify right side
    14,159,246,320.67x = 152,715,262,552,978,653,184
  5. Step 5: Solve for x
    x = 152,715,262,552,978,653,184/14,159,246,320.67
  6. Step 6: Final answer
    x = 10,785,550,240.06

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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.