Home / 4,931,485,739.65-7,398,461,995.71-1,437,891,212.87

Finding the Fourth Proportional to 4,931,485,739.65, 7,398,461,995.71 and 1,437,891,212.87

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Solution

The fourth proportional to 4,931,485,739.65, 7,398,461,995.71 and 1,437,891,212.87 is: 2,157,196,442.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931,485,739.65 : 7,398,461,995.71 = 1,437,891,212.87 : x
  2. Step 2: Convert to fraction form
    4,931,485,739.65/7,398,461,995.71 = 1,437,891,212.87/x
  3. Step 3: Cross multiply
    4,931,485,739.65x = 7,398,461,995.71 × 1,437,891,212.87
  4. Step 4: Simplify right side
    4,931,485,739.65x = 10,638,183,492,361,963,520
  5. Step 5: Solve for x
    x = 10,638,183,492,361,963,520/4,931,485,739.65
  6. Step 6: Final answer
    x = 2,157,196,442.21

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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.