Home / 1,440,948,109,937.30-1,988,544,978,784.30-790,626,521,210.77

Finding the Fourth Proportional to 1,440,948,109,937.30, 1,988,544,978,784.30 and 790,626,521,210.77

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Solution

The fourth proportional to 1,440,948,109,937.30, 1,988,544,978,784.30 and 790,626,521,210.77 is: 1,091,084,674,045.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,948,109,937.30 : 1,988,544,978,784.30 = 790,626,521,210.77 : x
  2. Step 2: Convert to fraction form
    1,440,948,109,937.30/1,988,544,978,784.30 = 790,626,521,210.77/x
  3. Step 3: Cross multiply
    1,440,948,109,937.30x = 1,988,544,978,784.30 × 790,626,521,210.77
  4. Step 4: Simplify right side
    1,440,948,109,937.30x = 1,572,196,398,847,375,511,126,016
  5. Step 5: Solve for x
    x = 1,572,196,398,847,375,511,126,016/1,440,948,109,937.30
  6. Step 6: Final answer
    x = 1,091,084,674,045.47

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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.