Home / 562,720,759.15-776,559,207.17-311,829,341.82

Finding the Fourth Proportional to 562,720,759.15, 776,559,207.17 and 311,829,341.82

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Solution

The fourth proportional to 562,720,759.15, 776,559,207.17 and 311,829,341.82 is: 430,327,018.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,720,759.15 : 776,559,207.17 = 311,829,341.82 : x
  2. Step 2: Convert to fraction form
    562,720,759.15/776,559,207.17 = 311,829,341.82/x
  3. Step 3: Cross multiply
    562,720,759.15x = 776,559,207.17 × 311,829,341.82
  4. Step 4: Simplify right side
    562,720,759.15x = 242,153,946,456,082,112
  5. Step 5: Solve for x
    x = 242,153,946,456,082,112/562,720,759.15
  6. Step 6: Final answer
    x = 430,327,018.36

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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.