Home / 565,750,009.16-780,692,806.84-318,183,533.72

Finding the Fourth Proportional to 565,750,009.16, 780,692,806.84 and 318,183,533.72

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Solution

The fourth proportional to 565,750,009.16, 780,692,806.84 and 318,183,533.72 is: 439,069,539.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,750,009.16 : 780,692,806.84 = 318,183,533.72 : x
  2. Step 2: Convert to fraction form
    565,750,009.16/780,692,806.84 = 318,183,533.72/x
  3. Step 3: Cross multiply
    565,750,009.16x = 780,692,806.84 × 318,183,533.72
  4. Step 4: Simplify right side
    565,750,009.16x = 248,403,596,030,136,608
  5. Step 5: Solve for x
    x = 248,403,596,030,136,608/565,750,009.16
  6. Step 6: Final answer
    x = 439,069,539.56

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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.