Home / 1,782,425,977.79-2,459,624,415.53-989,409,496.16

Finding the Fourth Proportional to 1,782,425,977.79, 2,459,624,415.53 and 989,409,496.16

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Solution

The fourth proportional to 1,782,425,977.79, 2,459,624,415.53 and 989,409,496.16 is: 1,365,316,587.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,425,977.79 : 2,459,624,415.53 = 989,409,496.16 : x
  2. Step 2: Convert to fraction form
    1,782,425,977.79/2,459,624,415.53 = 989,409,496.16/x
  3. Step 3: Cross multiply
    1,782,425,977.79x = 2,459,624,415.53 × 989,409,496.16
  4. Step 4: Simplify right side
    1,782,425,977.79x = 2,433,575,753,713,573,888
  5. Step 5: Solve for x
    x = 2,433,575,753,713,573,888/1,782,425,977.79
  6. Step 6: Final answer
    x = 1,365,316,587.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.