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Finding the Fourth Proportional to 577,470,000.40, 866,205,000.60 and 448,475,491.60

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Solution

The fourth proportional to 577,470,000.40, 866,205,000.60 and 448,475,491.60 is: 672,713,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,470,000.40 : 866,205,000.60 = 448,475,491.60 : x
  2. Step 2: Convert to fraction form
    577,470,000.40/866,205,000.60 = 448,475,491.60/x
  3. Step 3: Cross multiply
    577,470,000.40x = 866,205,000.60 × 448,475,491.60
  4. Step 4: Simplify right side
    577,470,000.40x = 388,471,713,470,463,296
  5. Step 5: Solve for x
    x = 388,471,713,470,463,296/577,470,000.40
  6. Step 6: Final answer
    x = 672,713,237.40

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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.