Home / 1,489,483,435.02-2,055,487,132.29-863,315,068.77

Finding the Fourth Proportional to 1,489,483,435.02, 2,055,487,132.29 and 863,315,068.77

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Solution

The fourth proportional to 1,489,483,435.02, 2,055,487,132.29 and 863,315,068.77 is: 1,191,374,790.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,483,435.02 : 2,055,487,132.29 = 863,315,068.77 : x
  2. Step 2: Convert to fraction form
    1,489,483,435.02/2,055,487,132.29 = 863,315,068.77/x
  3. Step 3: Cross multiply
    1,489,483,435.02x = 2,055,487,132.29 × 863,315,068.77
  4. Step 4: Simplify right side
    1,489,483,435.02x = 1,774,533,014,968,791,296
  5. Step 5: Solve for x
    x = 1,774,533,014,968,791,296/1,489,483,435.02
  6. Step 6: Final answer
    x = 1,191,374,790.24

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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.