Home / 630,423,005.80-945,634,508.70-401,407,364.20

Finding the Fourth Proportional to 630,423,005.80, 945,634,508.70 and 401,407,364.20

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Solution

The fourth proportional to 630,423,005.80, 945,634,508.70 and 401,407,364.20 is: 602,111,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,423,005.80 : 945,634,508.70 = 401,407,364.20 : x
  2. Step 2: Convert to fraction form
    630,423,005.80/945,634,508.70 = 401,407,364.20/x
  3. Step 3: Cross multiply
    630,423,005.80x = 945,634,508.70 × 401,407,364.20
  4. Step 4: Simplify right side
    630,423,005.80x = 379,584,655,633,828,992
  5. Step 5: Solve for x
    x = 379,584,655,633,828,992/630,423,005.80
  6. Step 6: Final answer
    x = 602,111,046.30

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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.