Home / 768,066,433.84-1,059,931,646.04-415,642,435.48

Finding the Fourth Proportional to 768,066,433.84, 1,059,931,646.04 and 415,642,435.48

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Solution

The fourth proportional to 768,066,433.84, 1,059,931,646.04 and 415,642,435.48 is: 573,586,543.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,066,433.84 : 1,059,931,646.04 = 415,642,435.48 : x
  2. Step 2: Convert to fraction form
    768,066,433.84/1,059,931,646.04 = 415,642,435.48/x
  3. Step 3: Cross multiply
    768,066,433.84x = 1,059,931,646.04 × 415,642,435.48
  4. Step 4: Simplify right side
    768,066,433.84x = 440,552,570,802,390,912
  5. Step 5: Solve for x
    x = 440,552,570,802,390,912/768,066,433.84
  6. Step 6: Final answer
    x = 573,586,543.29

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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.