Home / 314,683,804.80-471,521,822.40-206,852,457.60

Finding the Fourth Proportional to 314,683,804.80, 471,521,822.40 and 206,852,457.60

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Solution

The fourth proportional to 314,683,804.80, 471,521,822.40 and 206,852,457.60 is: 309,947,465.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,683,804.80 : 471,521,822.40 = 206,852,457.60 : x
  2. Step 2: Convert to fraction form
    314,683,804.80/471,521,822.40 = 206,852,457.60/x
  3. Step 3: Cross multiply
    314,683,804.80x = 471,521,822.40 × 206,852,457.60
  4. Step 4: Simplify right side
    314,683,804.80x = 97,535,447,775,470,720
  5. Step 5: Solve for x
    x = 97,535,447,775,470,720/314,683,804.80
  6. Step 6: Final answer
    x = 309,947,465.64

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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.