Home / 1,348,771,538.70-2,023,157,308.05-1,290,658,465.35

Finding the Fourth Proportional to 1,348,771,538.70, 2,023,157,308.05 and 1,290,658,465.35

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Solution

The fourth proportional to 1,348,771,538.70, 2,023,157,308.05 and 1,290,658,465.35 is: 1,935,987,698.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,771,538.70 : 2,023,157,308.05 = 1,290,658,465.35 : x
  2. Step 2: Convert to fraction form
    1,348,771,538.70/2,023,157,308.05 = 1,290,658,465.35/x
  3. Step 3: Cross multiply
    1,348,771,538.70x = 2,023,157,308.05 × 1,290,658,465.35
  4. Step 4: Simplify right side
    1,348,771,538.70x = 2,611,205,106,369,449,984
  5. Step 5: Solve for x
    x = 2,611,205,106,369,449,984/1,348,771,538.70
  6. Step 6: Final answer
    x = 1,935,987,698.03

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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.