Home / 885,736,636.70-1,328,604,955.05-263,950,666.70

Finding the Fourth Proportional to 885,736,636.70, 1,328,604,955.05 and 263,950,666.70

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Solution

The fourth proportional to 885,736,636.70, 1,328,604,955.05 and 263,950,666.70 is: 395,926,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,736,636.70 : 1,328,604,955.05 = 263,950,666.70 : x
  2. Step 2: Convert to fraction form
    885,736,636.70/1,328,604,955.05 = 263,950,666.70/x
  3. Step 3: Cross multiply
    885,736,636.70x = 1,328,604,955.05 × 263,950,666.70
  4. Step 4: Simplify right side
    885,736,636.70x = 350,686,163,666,371,008
  5. Step 5: Solve for x
    x = 350,686,163,666,371,008/885,736,636.70
  6. Step 6: Final answer
    x = 395,926,000.05

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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.