Home / 1,435,346,608.50-1,980,779,114.34-775,296,886.50

Finding the Fourth Proportional to 1,435,346,608.50, 1,980,779,114.34 and 775,296,886.50

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Solution

The fourth proportional to 1,435,346,608.50, 1,980,779,114.34 and 775,296,886.50 is: 1,069,910,132.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,346,608.50 : 1,980,779,114.34 = 775,296,886.50 : x
  2. Step 2: Convert to fraction form
    1,435,346,608.50/1,980,779,114.34 = 775,296,886.50/x
  3. Step 3: Cross multiply
    1,435,346,608.50x = 1,980,779,114.34 × 775,296,886.50
  4. Step 4: Simplify right side
    1,435,346,608.50x = 1,535,691,880,192,029,440
  5. Step 5: Solve for x
    x = 1,535,691,880,192,029,440/1,435,346,608.50
  6. Step 6: Final answer
    x = 1,069,910,132.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.