Home / 1,440,819,434,984.90-2,161,153,035,315.20-472,600,338,274.80

Finding the Fourth Proportional to 1,440,819,434,984.90, 2,161,153,035,315.20 and 472,600,338,274.80

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Solution

The fourth proportional to 1,440,819,434,984.90, 2,161,153,035,315.20 and 472,600,338,274.80 is: 708,875,540,372.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,819,434,984.90 : 2,161,153,035,315.20 = 472,600,338,274.80 : x
  2. Step 2: Convert to fraction form
    1,440,819,434,984.90/2,161,153,035,315.20 = 472,600,338,274.80/x
  3. Step 3: Cross multiply
    1,440,819,434,984.90x = 2,161,153,035,315.20 × 472,600,338,274.80
  4. Step 4: Simplify right side
    1,440,819,434,984.90x = 1,021,361,655,553,574,307,889,152
  5. Step 5: Solve for x
    x = 1,021,361,655,553,574,307,889,152/1,440,819,434,984.90
  6. Step 6: Final answer
    x = 708,875,540,372.12

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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.