Home / 7,881,484,909.79-10,876,442,076.86-4,448,905,897.11

Finding the Fourth Proportional to 7,881,484,909.79, 10,876,442,076.86 and 4,448,905,897.11

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Solution

The fourth proportional to 7,881,484,909.79, 10,876,442,076.86 and 4,448,905,897.11 is: 6,139,486,131.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881,484,909.79 : 10,876,442,076.86 = 4,448,905,897.11 : x
  2. Step 2: Convert to fraction form
    7,881,484,909.79/10,876,442,076.86 = 4,448,905,897.11/x
  3. Step 3: Cross multiply
    7,881,484,909.79x = 10,876,442,076.86 × 4,448,905,897.11
  4. Step 4: Simplify right side
    7,881,484,909.79x = 48,388,267,295,295,537,152
  5. Step 5: Solve for x
    x = 48,388,267,295,295,537,152/7,881,484,909.79
  6. Step 6: Final answer
    x = 6,139,486,131.00

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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.