Home / 893,435,419.18-1,338,600,041.18-626,976,005.98

Finding the Fourth Proportional to 893,435,419.18, 1,338,600,041.18 and 626,976,005.98

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Solution

The fourth proportional to 893,435,419.18, 1,338,600,041.18 and 626,976,005.98 is: 939,374,116.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,435,419.18 : 1,338,600,041.18 = 626,976,005.98 : x
  2. Step 2: Convert to fraction form
    893,435,419.18/1,338,600,041.18 = 626,976,005.98/x
  3. Step 3: Cross multiply
    893,435,419.18x = 1,338,600,041.18 × 626,976,005.98
  4. Step 4: Simplify right side
    893,435,419.18x = 839,270,107,423,699,968
  5. Step 5: Solve for x
    x = 839,270,107,423,699,968/893,435,419.18
  6. Step 6: Final answer
    x = 939,374,116.37

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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.