Home / 562,742,063.42-776,627,129.68-354,077,069.18

Finding the Fourth Proportional to 562,742,063.42, 776,627,129.68 and 354,077,069.18

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Solution

The fourth proportional to 562,742,063.42, 776,627,129.68 and 354,077,069.18 is: 488,653,462.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,742,063.42 : 776,627,129.68 = 354,077,069.18 : x
  2. Step 2: Convert to fraction form
    562,742,063.42/776,627,129.68 = 354,077,069.18/x
  3. Step 3: Cross multiply
    562,742,063.42x = 776,627,129.68 × 354,077,069.18
  4. Step 4: Simplify right side
    562,742,063.42x = 274,985,857,922,770,176
  5. Step 5: Solve for x
    x = 274,985,857,922,770,176/562,742,063.42
  6. Step 6: Final answer
    x = 488,653,462.75

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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.