Home / 821,064,465.32-1,133,059,941.70-444,711,689.96

Finding the Fourth Proportional to 821,064,465.32, 1,133,059,941.70 and 444,711,689.96

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Solution

The fourth proportional to 821,064,465.32, 1,133,059,941.70 and 444,711,689.96 is: 613,697,246.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,064,465.32 : 1,133,059,941.70 = 444,711,689.96 : x
  2. Step 2: Convert to fraction form
    821,064,465.32/1,133,059,941.70 = 444,711,689.96/x
  3. Step 3: Cross multiply
    821,064,465.32x = 1,133,059,941.70 × 444,711,689.96
  4. Step 4: Simplify right side
    821,064,465.32x = 503,885,001,499,386,048
  5. Step 5: Solve for x
    x = 503,885,001,499,386,048/821,064,465.32
  6. Step 6: Final answer
    x = 613,697,246.42

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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.