Home / 3,249,877,670.42-4,484,767,128.82-1,911,912,360.98

Finding the Fourth Proportional to 3,249,877,670.42, 4,484,767,128.82 and 1,911,912,360.98

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Solution

The fourth proportional to 3,249,877,670.42, 4,484,767,128.82 and 1,911,912,360.98 is: 2,638,401,373.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249,877,670.42 : 4,484,767,128.82 = 1,911,912,360.98 : x
  2. Step 2: Convert to fraction form
    3,249,877,670.42/4,484,767,128.82 = 1,911,912,360.98/x
  3. Step 3: Cross multiply
    3,249,877,670.42x = 4,484,767,128.82 × 1,911,912,360.98
  4. Step 4: Simplify right side
    3,249,877,670.42x = 8,574,481,709,680,538,624
  5. Step 5: Solve for x
    x = 8,574,481,709,680,538,624/3,249,877,670.42
  6. Step 6: Final answer
    x = 2,638,401,373.61

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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.