Home / 743,334,077.83-1,115,492,336.39-349,973,397.83

Finding the Fourth Proportional to 743,334,077.83, 1,115,492,336.39 and 349,973,397.83

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Solution

The fourth proportional to 743,334,077.83, 1,115,492,336.39 and 349,973,397.83 is: 525,191,370.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,334,077.83 : 1,115,492,336.39 = 349,973,397.83 : x
  2. Step 2: Convert to fraction form
    743,334,077.83/1,115,492,336.39 = 349,973,397.83/x
  3. Step 3: Cross multiply
    743,334,077.83x = 1,115,492,336.39 × 349,973,397.83
  4. Step 4: Simplify right side
    743,334,077.83x = 390,392,643,212,406,336
  5. Step 5: Solve for x
    x = 390,392,643,212,406,336/743,334,077.83
  6. Step 6: Final answer
    x = 525,191,370.69

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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.