Home / 312,623,549.81-468,343,423.96-208,679,332.67

Finding the Fourth Proportional to 312,623,549.81, 468,343,423.96 and 208,679,332.67

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Solution

The fourth proportional to 312,623,549.81, 468,343,423.96 and 208,679,332.67 is: 312,623,899.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,623,549.81 : 468,343,423.96 = 208,679,332.67 : x
  2. Step 2: Convert to fraction form
    312,623,549.81/468,343,423.96 = 208,679,332.67/x
  3. Step 3: Cross multiply
    312,623,549.81x = 468,343,423.96 × 208,679,332.67
  4. Step 4: Simplify right side
    312,623,549.81x = 97,733,593,168,970,560
  5. Step 5: Solve for x
    x = 97,733,593,168,970,560/312,623,549.81
  6. Step 6: Final answer
    x = 312,623,899.35

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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.