Home / 833,663,019.22-1,248,916,126.98-556,478,440.18

Finding the Fourth Proportional to 833,663,019.22, 1,248,916,126.98 and 556,478,440.18

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Solution

The fourth proportional to 833,663,019.22, 1,248,916,126.98 and 556,478,440.18 is: 833,664,061.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,663,019.22 : 1,248,916,126.98 = 556,478,440.18 : x
  2. Step 2: Convert to fraction form
    833,663,019.22/1,248,916,126.98 = 556,478,440.18/x
  3. Step 3: Cross multiply
    833,663,019.22x = 1,248,916,126.98 × 556,478,440.18
  4. Step 4: Simplify right side
    833,663,019.22x = 694,994,898,257,477,120
  5. Step 5: Solve for x
    x = 694,994,898,257,477,120/833,663,019.22
  6. Step 6: Final answer
    x = 833,664,061.18

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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.