Home / 536,564,258.10-804,846,387.15-420,338,111.40

Finding the Fourth Proportional to 536,564,258.10, 804,846,387.15 and 420,338,111.40

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Solution

The fourth proportional to 536,564,258.10, 804,846,387.15 and 420,338,111.40 is: 630,507,167.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,564,258.10 : 804,846,387.15 = 420,338,111.40 : x
  2. Step 2: Convert to fraction form
    536,564,258.10/804,846,387.15 = 420,338,111.40/x
  3. Step 3: Cross multiply
    536,564,258.10x = 804,846,387.15 × 420,338,111.40
  4. Step 4: Simplify right side
    536,564,258.10x = 338,307,610,341,744,192
  5. Step 5: Solve for x
    x = 338,307,610,341,744,192/536,564,258.10
  6. Step 6: Final answer
    x = 630,507,167.10

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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.