Home / 386,339,749.40-579,537,617.70-232,654,885.40

Finding the Fourth Proportional to 386,339,749.40, 579,537,617.70 and 232,654,885.40

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Solution

The fourth proportional to 386,339,749.40, 579,537,617.70 and 232,654,885.40 is: 348,999,185.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,339,749.40 : 579,537,617.70 = 232,654,885.40 : x
  2. Step 2: Convert to fraction form
    386,339,749.40/579,537,617.70 = 232,654,885.40/x
  3. Step 3: Cross multiply
    386,339,749.40x = 579,537,617.70 × 232,654,885.40
  4. Step 4: Simplify right side
    386,339,749.40x = 134,832,258,030,982,528
  5. Step 5: Solve for x
    x = 134,832,258,030,982,528/386,339,749.40
  6. Step 6: Final answer
    x = 348,999,185.92

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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.