Home / 877,240,146.60-1,315,860,219.90-705,053,262.60

Finding the Fourth Proportional to 877,240,146.60, 1,315,860,219.90 and 705,053,262.60

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Solution

The fourth proportional to 877,240,146.60, 1,315,860,219.90 and 705,053,262.60 is: 1,057,579,893.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,240,146.60 : 1,315,860,219.90 = 705,053,262.60 : x
  2. Step 2: Convert to fraction form
    877,240,146.60/1,315,860,219.90 = 705,053,262.60/x
  3. Step 3: Cross multiply
    877,240,146.60x = 1,315,860,219.90 × 705,053,262.60
  4. Step 4: Simplify right side
    877,240,146.60x = 927,751,541,166,048,512
  5. Step 5: Solve for x
    x = 927,751,541,166,048,512/877,240,146.60
  6. Step 6: Final answer
    x = 1,057,579,893.90

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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.