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Finding the Fourth Proportional to 560,079,085.80, 840,118,628.70 and 484,581,613.80

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Solution

The fourth proportional to 560,079,085.80, 840,118,628.70 and 484,581,613.80 is: 726,872,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,079,085.80 : 840,118,628.70 = 484,581,613.80 : x
  2. Step 2: Convert to fraction form
    560,079,085.80/840,118,628.70 = 484,581,613.80/x
  3. Step 3: Cross multiply
    560,079,085.80x = 840,118,628.70 × 484,581,613.80
  4. Step 4: Simplify right side
    560,079,085.80x = 407,106,040,878,889,024
  5. Step 5: Solve for x
    x = 407,106,040,878,889,024/560,079,085.80
  6. Step 6: Final answer
    x = 726,872,420.70

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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.