Home / 1,308,440,966.63-1,962,678,545.30-435,042,334.94

Finding the Fourth Proportional to 1,308,440,966.63, 1,962,678,545.30 and 435,042,334.94

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Solution

The fourth proportional to 1,308,440,966.63, 1,962,678,545.30 and 435,042,334.94 is: 652,569,186.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,440,966.63 : 1,962,678,545.30 = 435,042,334.94 : x
  2. Step 2: Convert to fraction form
    1,308,440,966.63/1,962,678,545.30 = 435,042,334.94/x
  3. Step 3: Cross multiply
    1,308,440,966.63x = 1,962,678,545.30 × 435,042,334.94
  4. Step 4: Simplify right side
    1,308,440,966.63x = 853,848,257,075,228,800
  5. Step 5: Solve for x
    x = 853,848,257,075,228,800/1,308,440,966.63
  6. Step 6: Final answer
    x = 652,569,186.42

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1.5x scale

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.