Home / 862,651,762.60-1,293,977,643.90-249,255,999.40

Finding the Fourth Proportional to 862,651,762.60, 1,293,977,643.90 and 249,255,999.40

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Solution

The fourth proportional to 862,651,762.60, 1,293,977,643.90 and 249,255,999.40 is: 373,883,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,651,762.60 : 1,293,977,643.90 = 249,255,999.40 : x
  2. Step 2: Convert to fraction form
    862,651,762.60/1,293,977,643.90 = 249,255,999.40/x
  3. Step 3: Cross multiply
    862,651,762.60x = 1,293,977,643.90 × 249,255,999.40
  4. Step 4: Simplify right side
    862,651,762.60x = 322,531,690,831,551,872
  5. Step 5: Solve for x
    x = 322,531,690,831,551,872/862,651,762.60
  6. Step 6: Final answer
    x = 373,883,999.10

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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.