Home / 790,565,775.34-1,090,980,748.32-438,194,706.02

Finding the Fourth Proportional to 790,565,775.34, 1,090,980,748.32 and 438,194,706.02

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Solution

The fourth proportional to 790,565,775.34, 1,090,980,748.32 and 438,194,706.02 is: 604,708,682.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,565,775.34 : 1,090,980,748.32 = 438,194,706.02 : x
  2. Step 2: Convert to fraction form
    790,565,775.34/1,090,980,748.32 = 438,194,706.02/x
  3. Step 3: Cross multiply
    790,565,775.34x = 1,090,980,748.32 × 438,194,706.02
  4. Step 4: Simplify right side
    790,565,775.34x = 478,061,988,283,561,984
  5. Step 5: Solve for x
    x = 478,061,988,283,561,984/790,565,775.34
  6. Step 6: Final answer
    x = 604,708,682.31

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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.