Home / 1,316,473,742.81-1,816,736,193.14-713,642,501.81

Finding the Fourth Proportional to 1,316,473,742.81, 1,816,736,193.14 and 713,642,501.81

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Solution

The fourth proportional to 1,316,473,742.81, 1,816,736,193.14 and 713,642,501.81 is: 984,827,968.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,473,742.81 : 1,816,736,193.14 = 713,642,501.81 : x
  2. Step 2: Convert to fraction form
    1,316,473,742.81/1,816,736,193.14 = 713,642,501.81/x
  3. Step 3: Cross multiply
    1,316,473,742.81x = 1,816,736,193.14 × 713,642,501.81
  4. Step 4: Simplify right side
    1,316,473,742.81x = 1,296,500,161,988,552,960
  5. Step 5: Solve for x
    x = 1,296,500,161,988,552,960/1,316,473,742.81
  6. Step 6: Final answer
    x = 984,827,968.71

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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.