Home / 1,586,390,470.80-2,378,735,400.60-665,226,070.80

Finding the Fourth Proportional to 1,586,390,470.80, 2,378,735,400.60 and 665,226,070.80

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Solution

The fourth proportional to 1,586,390,470.80, 2,378,735,400.60 and 665,226,070.80 is: 997,482,544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,390,470.80 : 2,378,735,400.60 = 665,226,070.80 : x
  2. Step 2: Convert to fraction form
    1,586,390,470.80/2,378,735,400.60 = 665,226,070.80/x
  3. Step 3: Cross multiply
    1,586,390,470.80x = 2,378,735,400.60 × 665,226,070.80
  4. Step 4: Simplify right side
    1,586,390,470.80x = 1,582,396,804,014,001,664
  5. Step 5: Solve for x
    x = 1,582,396,804,014,001,664/1,586,390,470.80
  6. Step 6: Final answer
    x = 997,482,544.90

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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.