Home / 648,041,187-894,011,852.16-379,980,193.68

Finding the Fourth Proportional to 648,041,187, 894,011,852.16 and 379,980,193.68

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Solution

The fourth proportional to 648,041,187, 894,011,852.16 and 379,980,193.68 is: 524,205,565.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,041,187 : 894,011,852.16 = 379,980,193.68 : x
  2. Step 2: Convert to fraction form
    648,041,187/894,011,852.16 = 379,980,193.68/x
  3. Step 3: Cross multiply
    648,041,187x = 894,011,852.16 × 379,980,193.68
  4. Step 4: Simplify right side
    648,041,187x = 339,706,796,735,972,352
  5. Step 5: Solve for x
    x = 339,706,796,735,972,352/648,041,187
  6. Step 6: Final answer
    x = 524,205,565.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.