Home / 3,116,976,839.50-4,301,374,877.65-1,688,036,365.68

Finding the Fourth Proportional to 3,116,976,839.50, 4,301,374,877.65 and 1,688,036,365.68

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Solution

The fourth proportional to 3,116,976,839.50, 4,301,374,877.65 and 1,688,036,365.68 is: 2,329,461,394.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,976,839.50 : 4,301,374,877.65 = 1,688,036,365.68 : x
  2. Step 2: Convert to fraction form
    3,116,976,839.50/4,301,374,877.65 = 1,688,036,365.68/x
  3. Step 3: Cross multiply
    3,116,976,839.50x = 4,301,374,877.65 × 1,688,036,365.68
  4. Step 4: Simplify right side
    3,116,976,839.50x = 7,260,877,215,905,329,152
  5. Step 5: Solve for x
    x = 7,260,877,215,905,329,152/3,116,976,839.50
  6. Step 6: Final answer
    x = 2,329,461,394.74

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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.