Home / 706,611,099.36-1,060,031,690.72-208,671,980.16

Finding the Fourth Proportional to 706,611,099.36, 1,060,031,690.72 and 208,671,980.16

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Solution

The fourth proportional to 706,611,099.36, 1,060,031,690.72 and 208,671,980.16 is: 313,041,943.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,611,099.36 : 1,060,031,690.72 = 208,671,980.16 : x
  2. Step 2: Convert to fraction form
    706,611,099.36/1,060,031,690.72 = 208,671,980.16/x
  3. Step 3: Cross multiply
    706,611,099.36x = 1,060,031,690.72 × 208,671,980.16
  4. Step 4: Simplify right side
    706,611,099.36x = 221,198,911,934,895,104
  5. Step 5: Solve for x
    x = 221,198,911,934,895,104/706,611,099.36
  6. Step 6: Final answer
    x = 313,041,943.63

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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.