Home / 839,341,055.96-1,158,270,202.49-462,989,403.50

Finding the Fourth Proportional to 839,341,055.96, 1,158,270,202.49 and 462,989,403.50

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Solution

The fourth proportional to 839,341,055.96, 1,158,270,202.49 and 462,989,403.50 is: 638,914,093.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,341,055.96 : 1,158,270,202.49 = 462,989,403.50 : x
  2. Step 2: Convert to fraction form
    839,341,055.96/1,158,270,202.49 = 462,989,403.50/x
  3. Step 3: Cross multiply
    839,341,055.96x = 1,158,270,202.49 × 462,989,403.50
  4. Step 4: Simplify right side
    839,341,055.96x = 536,266,830,134,562,944
  5. Step 5: Solve for x
    x = 536,266,830,134,562,944/839,341,055.96
  6. Step 6: Final answer
    x = 638,914,093.78

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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.