Home / 786,189,362-1,084,938,266.76-433,787,285.84

Finding the Fourth Proportional to 786,189,362, 1,084,938,266.76 and 433,787,285.84

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Solution

The fourth proportional to 786,189,362, 1,084,938,266.76 and 433,787,285.84 is: 598,624,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,189,362 : 1,084,938,266.76 = 433,787,285.84 : x
  2. Step 2: Convert to fraction form
    786,189,362/1,084,938,266.76 = 433,787,285.84/x
  3. Step 3: Cross multiply
    786,189,362x = 1,084,938,266.76 × 433,787,285.84
  4. Step 4: Simplify right side
    786,189,362x = 470,632,426,041,774,272
  5. Step 5: Solve for x
    x = 470,632,426,041,774,272/786,189,362
  6. Step 6: Final answer
    x = 598,624,770.05

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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.