Home / 7,144,648,013,823.40-10,716,971,429,686-1,981,492,963,667.80

Finding the Fourth Proportional to 7,144,648,013,823.40, 10,716,971,429,686 and 1,981,492,963,667.80

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Solution

The fourth proportional to 7,144,648,013,823.40, 10,716,971,429,686 and 1,981,492,963,667.80 is: 2,972,239,281,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144,648,013,823.40 : 10,716,971,429,686 = 1,981,492,963,667.80 : x
  2. Step 2: Convert to fraction form
    7,144,648,013,823.40/10,716,971,429,686 = 1,981,492,963,667.80/x
  3. Step 3: Cross multiply
    7,144,648,013,823.40x = 10,716,971,429,686 × 1,981,492,963,667.80
  4. Step 4: Simplify right side
    7,144,648,013,823.40x = 21,235,603,479,751,652,934,680,576
  5. Step 5: Solve for x
    x = 21,235,603,479,751,652,934,680,576/7,144,648,013,823.40
  6. Step 6: Final answer
    x = 2,972,239,281,580.45

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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.