Home / 885,075,793.14-1,221,408,495.66-488,602,040.64

Finding the Fourth Proportional to 885,075,793.14, 1,221,408,495.66 and 488,602,040.64

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Solution

The fourth proportional to 885,075,793.14, 1,221,408,495.66 and 488,602,040.64 is: 674,272,969.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,075,793.14 : 1,221,408,495.66 = 488,602,040.64 : x
  2. Step 2: Convert to fraction form
    885,075,793.14/1,221,408,495.66 = 488,602,040.64/x
  3. Step 3: Cross multiply
    885,075,793.14x = 1,221,408,495.66 × 488,602,040.64
  4. Step 4: Simplify right side
    885,075,793.14x = 596,782,683,434,508,672
  5. Step 5: Solve for x
    x = 596,782,683,434,508,672/885,075,793.14
  6. Step 6: Final answer
    x = 674,272,969.68

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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.