Home / 462,147,708.95-637,779,262.02-253,304,386.73

Finding the Fourth Proportional to 462,147,708.95, 637,779,262.02 and 253,304,386.73

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Solution

The fourth proportional to 462,147,708.95, 637,779,262.02 and 253,304,386.73 is: 349,568,507.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,147,708.95 : 637,779,262.02 = 253,304,386.73 : x
  2. Step 2: Convert to fraction form
    462,147,708.95/637,779,262.02 = 253,304,386.73/x
  3. Step 3: Cross multiply
    462,147,708.95x = 637,779,262.02 × 253,304,386.73
  4. Step 4: Simplify right side
    462,147,708.95x = 161,552,284,831,899,168
  5. Step 5: Solve for x
    x = 161,552,284,831,899,168/462,147,708.95
  6. Step 6: Final answer
    x = 349,568,507.44

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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.