Home / 1,306,464,025.60-1,959,696,038.40-892,606,643.20

Finding the Fourth Proportional to 1,306,464,025.60, 1,959,696,038.40 and 892,606,643.20

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Solution

The fourth proportional to 1,306,464,025.60, 1,959,696,038.40 and 892,606,643.20 is: 1,338,909,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,464,025.60 : 1,959,696,038.40 = 892,606,643.20 : x
  2. Step 2: Convert to fraction form
    1,306,464,025.60/1,959,696,038.40 = 892,606,643.20/x
  3. Step 3: Cross multiply
    1,306,464,025.60x = 1,959,696,038.40 × 892,606,643.20
  4. Step 4: Simplify right side
    1,306,464,025.60x = 1,749,237,702,528,562,432
  5. Step 5: Solve for x
    x = 1,749,237,702,528,562,432/1,306,464,025.60
  6. Step 6: Final answer
    x = 1,338,909,964.80

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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.