Home / 384,249,532.80-530,258,024.88-208,036,119.36

Finding the Fourth Proportional to 384,249,532.80, 530,258,024.88 and 208,036,119.36

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Solution

The fourth proportional to 384,249,532.80, 530,258,024.88 and 208,036,119.36 is: 287,086,417.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,249,532.80 : 530,258,024.88 = 208,036,119.36 : x
  2. Step 2: Convert to fraction form
    384,249,532.80/530,258,024.88 = 208,036,119.36/x
  3. Step 3: Cross multiply
    384,249,532.80x = 530,258,024.88 × 208,036,119.36
  4. Step 4: Simplify right side
    384,249,532.80x = 110,312,821,755,533,536
  5. Step 5: Solve for x
    x = 110,312,821,755,533,536/384,249,532.80
  6. Step 6: Final answer
    x = 287,086,417.39

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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.