Home / 1,199,856,457.20-1,655,804,341.54-671,229,271.18

Finding the Fourth Proportional to 1,199,856,457.20, 1,655,804,341.54 and 671,229,271.18

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Solution

The fourth proportional to 1,199,856,457.20, 1,655,804,341.54 and 671,229,271.18 is: 926,297,753.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,856,457.20 : 1,655,804,341.54 = 671,229,271.18 : x
  2. Step 2: Convert to fraction form
    1,199,856,457.20/1,655,804,341.54 = 671,229,271.18/x
  3. Step 3: Cross multiply
    1,199,856,457.20x = 1,655,804,341.54 × 671,229,271.18
  4. Step 4: Simplify right side
    1,199,856,457.20x = 1,111,424,341,388,573,824
  5. Step 5: Solve for x
    x = 1,111,424,341,388,573,824/1,199,856,457.20
  6. Step 6: Final answer
    x = 926,297,753.97

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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.