Home / 851,280,808.51-1,174,796,501.74-494,020,924.86

Finding the Fourth Proportional to 851,280,808.51, 1,174,796,501.74 and 494,020,924.86

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Solution

The fourth proportional to 851,280,808.51, 1,174,796,501.74 and 494,020,924.86 is: 681,765,697.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,280,808.51 : 1,174,796,501.74 = 494,020,924.86 : x
  2. Step 2: Convert to fraction form
    851,280,808.51/1,174,796,501.74 = 494,020,924.86/x
  3. Step 3: Cross multiply
    851,280,808.51x = 1,174,796,501.74 × 494,020,924.86
  4. Step 4: Simplify right side
    851,280,808.51x = 580,374,054,316,935,168
  5. Step 5: Solve for x
    x = 580,374,054,316,935,168/851,280,808.51
  6. Step 6: Final answer
    x = 681,765,697.66

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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.