Home / 874,326,547.60-1,311,495,458.64-349,739,474.56

Finding the Fourth Proportional to 874,326,547.60, 1,311,495,458.64 and 349,739,474.56

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Solution

The fourth proportional to 874,326,547.60, 1,311,495,458.64 and 349,739,474.56 is: 524,611,466.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,326,547.60 : 1,311,495,458.64 = 349,739,474.56 : x
  2. Step 2: Convert to fraction form
    874,326,547.60/1,311,495,458.64 = 349,739,474.56/x
  3. Step 3: Cross multiply
    874,326,547.60x = 1,311,495,458.64 × 349,739,474.56
  4. Step 4: Simplify right side
    874,326,547.60x = 458,681,732,592,579,840
  5. Step 5: Solve for x
    x = 458,681,732,592,579,840/874,326,547.60
  6. Step 6: Final answer
    x = 524,611,466.79

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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.