Home / 824,302,326.40-1,235,391,806.40-631,872,246.40

Finding the Fourth Proportional to 824,302,326.40, 1,235,391,806.40 and 631,872,246.40

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Solution

The fourth proportional to 824,302,326.40, 1,235,391,806.40 and 631,872,246.40 is: 946,994,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,302,326.40 : 1,235,391,806.40 = 631,872,246.40 : x
  2. Step 2: Convert to fraction form
    824,302,326.40/1,235,391,806.40 = 631,872,246.40/x
  3. Step 3: Cross multiply
    824,302,326.40x = 1,235,391,806.40 × 631,872,246.40
  4. Step 4: Simplify right side
    824,302,326.40x = 780,609,795,894,121,984
  5. Step 5: Solve for x
    x = 780,609,795,894,121,984/824,302,326.40
  6. Step 6: Final answer
    x = 946,994,532.10

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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.