Home / 1,026,431,985.60-1,539,647,978.40-953,872,574.40

Finding the Fourth Proportional to 1,026,431,985.60, 1,539,647,978.40 and 953,872,574.40

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Solution

The fourth proportional to 1,026,431,985.60, 1,539,647,978.40 and 953,872,574.40 is: 1,430,808,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,431,985.60 : 1,539,647,978.40 = 953,872,574.40 : x
  2. Step 2: Convert to fraction form
    1,026,431,985.60/1,539,647,978.40 = 953,872,574.40/x
  3. Step 3: Cross multiply
    1,026,431,985.60x = 1,539,647,978.40 × 953,872,574.40
  4. Step 4: Simplify right side
    1,026,431,985.60x = 1,468,627,980,826,163,712
  5. Step 5: Solve for x
    x = 1,468,627,980,826,163,712/1,026,431,985.60
  6. Step 6: Final answer
    x = 1,430,808,861.60

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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.