Home / 450,174,455.33-621,227,381.04-249,240,266.93

Finding the Fourth Proportional to 450,174,455.33, 621,227,381.04 and 249,240,266.93

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Solution

The fourth proportional to 450,174,455.33, 621,227,381.04 and 249,240,266.93 is: 343,944,167.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,174,455.33 : 621,227,381.04 = 249,240,266.93 : x
  2. Step 2: Convert to fraction form
    450,174,455.33/621,227,381.04 = 249,240,266.93/x
  3. Step 3: Cross multiply
    450,174,455.33x = 621,227,381.04 × 249,240,266.93
  4. Step 4: Simplify right side
    450,174,455.33x = 154,834,878,276,175,072
  5. Step 5: Solve for x
    x = 154,834,878,276,175,072/450,174,455.33
  6. Step 6: Final answer
    x = 343,944,167.52

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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.