Home / 1,489,353,405.60-2,234,030,108.40-972,792,753.60

Finding the Fourth Proportional to 1,489,353,405.60, 2,234,030,108.40 and 972,792,753.60

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Solution

The fourth proportional to 1,489,353,405.60, 2,234,030,108.40 and 972,792,753.60 is: 1,459,189,130.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,353,405.60 : 2,234,030,108.40 = 972,792,753.60 : x
  2. Step 2: Convert to fraction form
    1,489,353,405.60/2,234,030,108.40 = 972,792,753.60/x
  3. Step 3: Cross multiply
    1,489,353,405.60x = 2,234,030,108.40 × 972,792,753.60
  4. Step 4: Simplify right side
    1,489,353,405.60x = 2,173,248,300,775,742,720
  5. Step 5: Solve for x
    x = 2,173,248,300,775,742,720/1,489,353,405.60
  6. Step 6: Final answer
    x = 1,459,189,130.40

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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.