Home / 672,905,289.79-1,009,516,479.51-230,252,788.98

Finding the Fourth Proportional to 672,905,289.79, 1,009,516,479.51 and 230,252,788.98

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Solution

The fourth proportional to 672,905,289.79, 1,009,516,479.51 and 230,252,788.98 is: 345,433,433.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,905,289.79 : 1,009,516,479.51 = 230,252,788.98 : x
  2. Step 2: Convert to fraction form
    672,905,289.79/1,009,516,479.51 = 230,252,788.98/x
  3. Step 3: Cross multiply
    672,905,289.79x = 1,009,516,479.51 × 230,252,788.98
  4. Step 4: Simplify right side
    672,905,289.79x = 232,443,984,931,014,144
  5. Step 5: Solve for x
    x = 232,443,984,931,014,144/672,905,289.79
  6. Step 6: Final answer
    x = 345,433,433.89

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1.5x scale

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.