Home / 1,111,981,915.48-1,668,069,813.48-364,773,654.40

Finding the Fourth Proportional to 1,111,981,915.48, 1,668,069,813.48 and 364,773,654.40

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Solution

The fourth proportional to 1,111,981,915.48, 1,668,069,813.48 and 364,773,654.40 is: 547,192,281.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,981,915.48 : 1,668,069,813.48 = 364,773,654.40 : x
  2. Step 2: Convert to fraction form
    1,111,981,915.48/1,668,069,813.48 = 364,773,654.40/x
  3. Step 3: Cross multiply
    1,111,981,915.48x = 1,668,069,813.48 × 364,773,654.40
  4. Step 4: Simplify right side
    1,111,981,915.48x = 608,467,921,657,425,920
  5. Step 5: Solve for x
    x = 608,467,921,657,425,920/1,111,981,915.48
  6. Step 6: Final answer
    x = 547,192,281.81

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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.