Home / 565,750,006.16-780,692,802.72-318,183,530.72

Finding the Fourth Proportional to 565,750,006.16, 780,692,802.72 and 318,183,530.72

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Solution

The fourth proportional to 565,750,006.16, 780,692,802.72 and 318,183,530.72 is: 439,069,535.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,750,006.16 : 780,692,802.72 = 318,183,530.72 : x
  2. Step 2: Convert to fraction form
    565,750,006.16/780,692,802.72 = 318,183,530.72/x
  3. Step 3: Cross multiply
    565,750,006.16x = 780,692,802.72 × 318,183,530.72
  4. Step 4: Simplify right side
    565,750,006.16x = 248,403,592,377,142,048
  5. Step 5: Solve for x
    x = 248,403,592,377,142,048/565,750,006.16
  6. Step 6: Final answer
    x = 439,069,535.44

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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.