Home / 386,323,308.30-579,484,962.45-232,890,386.70

Finding the Fourth Proportional to 386,323,308.30, 579,484,962.45 and 232,890,386.70

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Solution

The fourth proportional to 386,323,308.30, 579,484,962.45 and 232,890,386.70 is: 349,335,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,323,308.30 : 579,484,962.45 = 232,890,386.70 : x
  2. Step 2: Convert to fraction form
    386,323,308.30/579,484,962.45 = 232,890,386.70/x
  3. Step 3: Cross multiply
    386,323,308.30x = 579,484,962.45 × 232,890,386.70
  4. Step 4: Simplify right side
    386,323,308.30x = 134,956,476,991,815,488
  5. Step 5: Solve for x
    x = 134,956,476,991,815,488/386,323,308.30
  6. Step 6: Final answer
    x = 349,335,580.05

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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.