Home / 808,575,110.90-1,212,862,666.35-722,410,810.10

Finding the Fourth Proportional to 808,575,110.90, 1,212,862,666.35 and 722,410,810.10

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Solution

The fourth proportional to 808,575,110.90, 1,212,862,666.35 and 722,410,810.10 is: 1,083,616,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,575,110.90 : 1,212,862,666.35 = 722,410,810.10 : x
  2. Step 2: Convert to fraction form
    808,575,110.90/1,212,862,666.35 = 722,410,810.10/x
  3. Step 3: Cross multiply
    808,575,110.90x = 1,212,862,666.35 × 722,410,810.10
  4. Step 4: Simplify right side
    808,575,110.90x = 876,185,101,337,949,440
  5. Step 5: Solve for x
    x = 876,185,101,337,949,440/808,575,110.90
  6. Step 6: Final answer
    x = 1,083,616,215.15

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1.5x scale

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.