Home / 466,201,899.81-643,355,348.89-254,508,730.40

Finding the Fourth Proportional to 466,201,899.81, 643,355,348.89 and 254,508,730.40

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Solution

The fourth proportional to 466,201,899.81, 643,355,348.89 and 254,508,730.40 is: 351,220,261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,201,899.81 : 643,355,348.89 = 254,508,730.40 : x
  2. Step 2: Convert to fraction form
    466,201,899.81/643,355,348.89 = 254,508,730.40/x
  3. Step 3: Cross multiply
    466,201,899.81x = 643,355,348.89 × 254,508,730.40
  4. Step 4: Simplify right side
    466,201,899.81x = 163,739,553,040,533,312
  5. Step 5: Solve for x
    x = 163,739,553,040,533,312/466,201,899.81
  6. Step 6: Final answer
    x = 351,220,261.24

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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.