Home / 846,459,718.14-1,168,117,117.48-470,116,238.14

Finding the Fourth Proportional to 846,459,718.14, 1,168,117,117.48 and 470,116,238.14

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Solution

The fourth proportional to 846,459,718.14, 1,168,117,117.48 and 470,116,238.14 is: 648,761,911.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,459,718.14 : 1,168,117,117.48 = 470,116,238.14 : x
  2. Step 2: Convert to fraction form
    846,459,718.14/1,168,117,117.48 = 470,116,238.14/x
  3. Step 3: Cross multiply
    846,459,718.14x = 1,168,117,117.48 × 470,116,238.14
  4. Step 4: Simplify right side
    846,459,718.14x = 549,150,824,976,638,016
  5. Step 5: Solve for x
    x = 549,150,824,976,638,016/846,459,718.14
  6. Step 6: Final answer
    x = 648,761,911.77

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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.