Home / 425,240,962.80-637,828,266.60-166,405,916.40

Finding the Fourth Proportional to 425,240,962.80, 637,828,266.60 and 166,405,916.40

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Solution

The fourth proportional to 425,240,962.80, 637,828,266.60 and 166,405,916.40 is: 249,595,891.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,240,962.80 : 637,828,266.60 = 166,405,916.40 : x
  2. Step 2: Convert to fraction form
    425,240,962.80/637,828,266.60 = 166,405,916.40/x
  3. Step 3: Cross multiply
    425,240,962.80x = 637,828,266.60 × 166,405,916.40
  4. Step 4: Simplify right side
    425,240,962.80x = 106,138,397,209,396,528
  5. Step 5: Solve for x
    x = 106,138,397,209,396,528/425,240,962.80
  6. Step 6: Final answer
    x = 249,595,891.49

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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.