Home / 839,712,866.34-1,158,660,266.48-487,208,051.04

Finding the Fourth Proportional to 839,712,866.34, 1,158,660,266.48 and 487,208,051.04

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Solution

The fourth proportional to 839,712,866.34, 1,158,660,266.48 and 487,208,051.04 is: 672,263,856.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,712,866.34 : 1,158,660,266.48 = 487,208,051.04 : x
  2. Step 2: Convert to fraction form
    839,712,866.34/1,158,660,266.48 = 487,208,051.04/x
  3. Step 3: Cross multiply
    839,712,866.34x = 1,158,660,266.48 × 487,208,051.04
  4. Step 4: Simplify right side
    839,712,866.34x = 564,508,610,255,661,824
  5. Step 5: Solve for x
    x = 564,508,610,255,661,824/839,712,866.34
  6. Step 6: Final answer
    x = 672,263,856.95

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Double scale
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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.