Home / 647,010,703.20-970,516,054.80-463,344,693.60

Finding the Fourth Proportional to 647,010,703.20, 970,516,054.80 and 463,344,693.60

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Solution

The fourth proportional to 647,010,703.20, 970,516,054.80 and 463,344,693.60 is: 695,017,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,010,703.20 : 970,516,054.80 = 463,344,693.60 : x
  2. Step 2: Convert to fraction form
    647,010,703.20/970,516,054.80 = 463,344,693.60/x
  3. Step 3: Cross multiply
    647,010,703.20x = 970,516,054.80 × 463,344,693.60
  4. Step 4: Simplify right side
    647,010,703.20x = 449,683,464,045,186,816
  5. Step 5: Solve for x
    x = 449,683,464,045,186,816/647,010,703.20
  6. Step 6: Final answer
    x = 695,017,040.40

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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.