Home / 1,435,102,402.60-2,152,653,603.90-780,367,090.60

Finding the Fourth Proportional to 1,435,102,402.60, 2,152,653,603.90 and 780,367,090.60

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Solution

The fourth proportional to 1,435,102,402.60, 2,152,653,603.90 and 780,367,090.60 is: 1,170,550,635.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,102,402.60 : 2,152,653,603.90 = 780,367,090.60 : x
  2. Step 2: Convert to fraction form
    1,435,102,402.60/2,152,653,603.90 = 780,367,090.60/x
  3. Step 3: Cross multiply
    1,435,102,402.60x = 2,152,653,603.90 × 780,367,090.60
  4. Step 4: Simplify right side
    1,435,102,402.60x = 1,679,860,029,945,048,064
  5. Step 5: Solve for x
    x = 1,679,860,029,945,048,064/1,435,102,402.60
  6. Step 6: Final answer
    x = 1,170,550,635.90

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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.