Home / 1,685,298,950.98-2,528,947,105.00-938,939,432.53

Finding the Fourth Proportional to 1,685,298,950.98, 2,528,947,105.00 and 938,939,432.53

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Solution

The fourth proportional to 1,685,298,950.98, 2,528,947,105.00 and 938,939,432.53 is: 1,408,965,547.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,298,950.98 : 2,528,947,105.00 = 938,939,432.53 : x
  2. Step 2: Convert to fraction form
    1,685,298,950.98/2,528,947,105.00 = 938,939,432.53/x
  3. Step 3: Cross multiply
    1,685,298,950.98x = 2,528,947,105.00 × 938,939,432.53
  4. Step 4: Simplify right side
    1,685,298,950.98x = 2,374,528,159,673,843,200
  5. Step 5: Solve for x
    x = 2,374,528,159,673,843,200/1,685,298,950.98
  6. Step 6: Final answer
    x = 1,408,965,547.80

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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.