Home / 1,368,811,673.64-1,888,960,613.13-742,279,935.51

Finding the Fourth Proportional to 1,368,811,673.64, 1,888,960,613.13 and 742,279,935.51

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Solution

The fourth proportional to 1,368,811,673.64, 1,888,960,613.13 and 742,279,935.51 is: 1,024,346,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,811,673.64 : 1,888,960,613.13 = 742,279,935.51 : x
  2. Step 2: Convert to fraction form
    1,368,811,673.64/1,888,960,613.13 = 742,279,935.51/x
  3. Step 3: Cross multiply
    1,368,811,673.64x = 1,888,960,613.13 × 742,279,935.51
  4. Step 4: Simplify right side
    1,368,811,673.64x = 1,402,137,562,095,066,624
  5. Step 5: Solve for x
    x = 1,402,137,562,095,066,624/1,368,811,673.64
  6. Step 6: Final answer
    x = 1,024,346,584.05

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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.