Home / 3,116,976,859.77-4,301,374,905.67-1,688,036,386.03

Finding the Fourth Proportional to 3,116,976,859.77, 4,301,374,905.67 and 1,688,036,386.03

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Solution

The fourth proportional to 3,116,976,859.77, 4,301,374,905.67 and 1,688,036,386.03 is: 2,329,461,422.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,976,859.77 : 4,301,374,905.67 = 1,688,036,386.03 : x
  2. Step 2: Convert to fraction form
    3,116,976,859.77/4,301,374,905.67 = 1,688,036,386.03/x
  3. Step 3: Cross multiply
    3,116,976,859.77x = 4,301,374,905.67 × 1,688,036,386.03
  4. Step 4: Simplify right side
    3,116,976,859.77x = 7,260,877,350,744,029,184
  5. Step 5: Solve for x
    x = 7,260,877,350,744,029,184/3,116,976,859.77
  6. Step 6: Final answer
    x = 2,329,461,422.84

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Double scale
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1.5x scale

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.