Home / 738,051,411.25-1,018,532,205.17-408,047,807.89

Finding the Fourth Proportional to 738,051,411.25, 1,018,532,205.17 and 408,047,807.89

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Solution

The fourth proportional to 738,051,411.25, 1,018,532,205.17 and 408,047,807.89 is: 563,117,727.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,051,411.25 : 1,018,532,205.17 = 408,047,807.89 : x
  2. Step 2: Convert to fraction form
    738,051,411.25/1,018,532,205.17 = 408,047,807.89/x
  3. Step 3: Cross multiply
    738,051,411.25x = 1,018,532,205.17 × 408,047,807.89
  4. Step 4: Simplify right side
    738,051,411.25x = 415,609,833,584,986,176
  5. Step 5: Solve for x
    x = 415,609,833,584,986,176/738,051,411.25
  6. Step 6: Final answer
    x = 563,117,727.64

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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.