Home / 1,157,130,145.05-1,596,812,439.21-680,851,363.03

Finding the Fourth Proportional to 1,157,130,145.05, 1,596,812,439.21 and 680,851,363.03

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Solution

The fourth proportional to 1,157,130,145.05, 1,596,812,439.21 and 680,851,363.03 is: 939,558,899.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,130,145.05 : 1,596,812,439.21 = 680,851,363.03 : x
  2. Step 2: Convert to fraction form
    1,157,130,145.05/1,596,812,439.21 = 680,851,363.03/x
  3. Step 3: Cross multiply
    1,157,130,145.05x = 1,596,812,439.21 × 680,851,363.03
  4. Step 4: Simplify right side
    1,157,130,145.05x = 1,087,191,925,739,387,520
  5. Step 5: Solve for x
    x = 1,087,191,925,739,387,520/1,157,130,145.05
  6. Step 6: Final answer
    x = 939,558,899.57

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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.