Home / 680,367,840.24-1,020,947,850.02-286,869,991.26

Finding the Fourth Proportional to 680,367,840.24, 1,020,947,850.02 and 286,869,991.26

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Solution

The fourth proportional to 680,367,840.24, 1,020,947,850.02 and 286,869,991.26 is: 430,471,993.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,367,840.24 : 1,020,947,850.02 = 286,869,991.26 : x
  2. Step 2: Convert to fraction form
    680,367,840.24/1,020,947,850.02 = 286,869,991.26/x
  3. Step 3: Cross multiply
    680,367,840.24x = 1,020,947,850.02 × 286,869,991.26
  4. Step 4: Simplify right side
    680,367,840.24x = 292,879,300,812,153,152
  5. Step 5: Solve for x
    x = 292,879,300,812,153,152/680,367,840.24
  6. Step 6: Final answer
    x = 430,471,993.96

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1.5x scale

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.