Home / 885,737,037.60-1,328,605,556.40-639,573,566.40

Finding the Fourth Proportional to 885,737,037.60, 1,328,605,556.40 and 639,573,566.40

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Solution

The fourth proportional to 885,737,037.60, 1,328,605,556.40 and 639,573,566.40 is: 959,360,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,737,037.60 : 1,328,605,556.40 = 639,573,566.40 : x
  2. Step 2: Convert to fraction form
    885,737,037.60/1,328,605,556.40 = 639,573,566.40/x
  3. Step 3: Cross multiply
    885,737,037.60x = 1,328,605,556.40 × 639,573,566.40
  4. Step 4: Simplify right side
    885,737,037.60x = 849,740,994,045,604,352
  5. Step 5: Solve for x
    x = 849,740,994,045,604,352/885,737,037.60
  6. Step 6: Final answer
    x = 959,360,349.60

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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.