Home / 1,980,904,969.20-2,964,303,066.60-1,724,931,490.80

Finding the Fourth Proportional to 1,980,904,969.20, 2,964,303,066.60 and 1,724,931,490.80

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Solution

The fourth proportional to 1,980,904,969.20, 2,964,303,066.60 and 1,724,931,490.80 is: 2,581,254,420.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,904,969.20 : 2,964,303,066.60 = 1,724,931,490.80 : x
  2. Step 2: Convert to fraction form
    1,980,904,969.20/2,964,303,066.60 = 1,724,931,490.80/x
  3. Step 3: Cross multiply
    1,980,904,969.20x = 2,964,303,066.60 × 1,724,931,490.80
  4. Step 4: Simplify right side
    1,980,904,969.20x = 5,113,219,707,853,349,888
  5. Step 5: Solve for x
    x = 5,113,219,707,853,349,888/1,980,904,969.20
  6. Step 6: Final answer
    x = 2,581,254,420.26

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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.