Home / 791,506,189.95-1,187,441,683.47-273,936,636.51

Finding the Fourth Proportional to 791,506,189.95, 1,187,441,683.47 and 273,936,636.51

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Solution

The fourth proportional to 791,506,189.95, 1,187,441,683.47 and 273,936,636.51 is: 410,968,082.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,506,189.95 : 1,187,441,683.47 = 273,936,636.51 : x
  2. Step 2: Convert to fraction form
    791,506,189.95/1,187,441,683.47 = 273,936,636.51/x
  3. Step 3: Cross multiply
    791,506,189.95x = 1,187,441,683.47 × 273,936,636.51
  4. Step 4: Simplify right side
    791,506,189.95x = 325,283,780,815,721,280
  5. Step 5: Solve for x
    x = 325,283,780,815,721,280/791,506,189.95
  6. Step 6: Final answer
    x = 410,968,082.05

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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.