Home / 678,683,263,814.51-1,018,129,499,258-231,398,560,854.32

Finding the Fourth Proportional to 678,683,263,814.51, 1,018,129,499,258 and 231,398,560,854.32

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Solution

The fourth proportional to 678,683,263,814.51, 1,018,129,499,258 and 231,398,560,854.32 is: 347,133,506,088.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,683,263,814.51 : 1,018,129,499,258 = 231,398,560,854.32 : x
  2. Step 2: Convert to fraction form
    678,683,263,814.51/1,018,129,499,258 = 231,398,560,854.32/x
  3. Step 3: Cross multiply
    678,683,263,814.51x = 1,018,129,499,258 × 231,398,560,854.32
  4. Step 4: Simplify right side
    678,683,263,814.51x = 235,593,700,891,630,675,951,616
  5. Step 5: Solve for x
    x = 235,593,700,891,630,675,951,616/678,683,263,814.51
  6. Step 6: Final answer
    x = 347,133,506,088.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.