Home / 856,557,689.04-1,284,833,953.08-243,142,434

Finding the Fourth Proportional to 856,557,689.04, 1,284,833,953.08 and 243,142,434

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Solution

The fourth proportional to 856,557,689.04, 1,284,833,953.08 and 243,142,434 is: 364,712,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,557,689.04 : 1,284,833,953.08 = 243,142,434 : x
  2. Step 2: Convert to fraction form
    856,557,689.04/1,284,833,953.08 = 243,142,434/x
  3. Step 3: Cross multiply
    856,557,689.04x = 1,284,833,953.08 × 243,142,434
  4. Step 4: Simplify right side
    856,557,689.04x = 312,397,654,637,712,960
  5. Step 5: Solve for x
    x = 312,397,654,637,712,960/856,557,689.04
  6. Step 6: Final answer
    x = 364,712,918.51

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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.