Home / 633,142,376.04-873,735,816.28-354,685,859.67

Finding the Fourth Proportional to 633,142,376.04, 873,735,816.28 and 354,685,859.67

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Solution

The fourth proportional to 633,142,376.04, 873,735,816.28 and 354,685,859.67 is: 489,466,115.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,142,376.04 : 873,735,816.28 = 354,685,859.67 : x
  2. Step 2: Convert to fraction form
    633,142,376.04/873,735,816.28 = 354,685,859.67/x
  3. Step 3: Cross multiply
    633,142,376.04x = 873,735,816.28 × 354,685,859.67
  4. Step 4: Simplify right side
    633,142,376.04x = 309,901,739,124,793,984
  5. Step 5: Solve for x
    x = 309,901,739,124,793,984/633,142,376.04
  6. Step 6: Final answer
    x = 489,466,115.13

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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.