Home / 577,370,435.70-866,055,653.55-543,358,211.70

Finding the Fourth Proportional to 577,370,435.70, 866,055,653.55 and 543,358,211.70

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Solution

The fourth proportional to 577,370,435.70, 866,055,653.55 and 543,358,211.70 is: 815,037,317.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,370,435.70 : 866,055,653.55 = 543,358,211.70 : x
  2. Step 2: Convert to fraction form
    577,370,435.70/866,055,653.55 = 543,358,211.70/x
  3. Step 3: Cross multiply
    577,370,435.70x = 866,055,653.55 × 543,358,211.70
  4. Step 4: Simplify right side
    577,370,435.70x = 470,578,451,145,602,752
  5. Step 5: Solve for x
    x = 470,578,451,145,602,752/577,370,435.70
  6. Step 6: Final answer
    x = 815,037,317.55

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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.