Home / 1,640,846,646.33-2,461,276,280.34-397,275,038.47

Finding the Fourth Proportional to 1,640,846,646.33, 2,461,276,280.34 and 397,275,038.47

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Solution

The fourth proportional to 1,640,846,646.33, 2,461,276,280.34 and 397,275,038.47 is: 595,914,085.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,846,646.33 : 2,461,276,280.34 = 397,275,038.47 : x
  2. Step 2: Convert to fraction form
    1,640,846,646.33/2,461,276,280.34 = 397,275,038.47/x
  3. Step 3: Cross multiply
    1,640,846,646.33x = 2,461,276,280.34 × 397,275,038.47
  4. Step 4: Simplify right side
    1,640,846,646.33x = 977,803,628,960,448,640
  5. Step 5: Solve for x
    x = 977,803,628,960,448,640/1,640,846,646.33
  6. Step 6: Final answer
    x = 595,914,085.66

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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.