Home / 778,968,035.02-1,168,670,496.96-312,956,697.76

Finding the Fourth Proportional to 778,968,035.02, 1,168,670,496.96 and 312,956,697.76

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Solution

The fourth proportional to 778,968,035.02, 1,168,670,496.96 and 312,956,697.76 is: 469,522,808.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,968,035.02 : 1,168,670,496.96 = 312,956,697.76 : x
  2. Step 2: Convert to fraction form
    778,968,035.02/1,168,670,496.96 = 312,956,697.76/x
  3. Step 3: Cross multiply
    778,968,035.02x = 1,168,670,496.96 × 312,956,697.76
  4. Step 4: Simplify right side
    778,968,035.02x = 365,743,259,498,139,712
  5. Step 5: Solve for x
    x = 365,743,259,498,139,712/778,968,035.02
  6. Step 6: Final answer
    x = 469,522,808.45

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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.