Home / 1,417,177,208.40-2,125,765,812.60-719,820,328.20

Finding the Fourth Proportional to 1,417,177,208.40, 2,125,765,812.60 and 719,820,328.20

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Solution

The fourth proportional to 1,417,177,208.40, 2,125,765,812.60 and 719,820,328.20 is: 1,079,730,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,177,208.40 : 2,125,765,812.60 = 719,820,328.20 : x
  2. Step 2: Convert to fraction form
    1,417,177,208.40/2,125,765,812.60 = 719,820,328.20/x
  3. Step 3: Cross multiply
    1,417,177,208.40x = 2,125,765,812.60 × 719,820,328.20
  4. Step 4: Simplify right side
    1,417,177,208.40x = 1,530,169,444,902,071,808
  5. Step 5: Solve for x
    x = 1,530,169,444,902,071,808/1,417,177,208.40
  6. Step 6: Final answer
    x = 1,079,730,492.30

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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.