Home / 738,051,276.23-1,018,532,018.84-408,047,672.87

Finding the Fourth Proportional to 738,051,276.23, 1,018,532,018.84 and 408,047,672.87

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Solution

The fourth proportional to 738,051,276.23, 1,018,532,018.84 and 408,047,672.87 is: 563,117,541.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,051,276.23 : 1,018,532,018.84 = 408,047,672.87 : x
  2. Step 2: Convert to fraction form
    738,051,276.23/1,018,532,018.84 = 408,047,672.87/x
  3. Step 3: Cross multiply
    738,051,276.23x = 1,018,532,018.84 × 408,047,672.87
  4. Step 4: Simplify right side
    738,051,276.23x = 415,609,620,037,083,328
  5. Step 5: Solve for x
    x = 415,609,620,037,083,328/738,051,276.23
  6. Step 6: Final answer
    x = 563,117,541.31

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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.