Home / 702,031,813.20-1,053,047,719.80-357,658,045.20

Finding the Fourth Proportional to 702,031,813.20, 1,053,047,719.80 and 357,658,045.20

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Solution

The fourth proportional to 702,031,813.20, 1,053,047,719.80 and 357,658,045.20 is: 536,487,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,031,813.20 : 1,053,047,719.80 = 357,658,045.20 : x
  2. Step 2: Convert to fraction form
    702,031,813.20/1,053,047,719.80 = 357,658,045.20/x
  3. Step 3: Cross multiply
    702,031,813.20x = 1,053,047,719.80 × 357,658,045.20
  4. Step 4: Simplify right side
    702,031,813.20x = 376,630,988,965,985,280
  5. Step 5: Solve for x
    x = 376,630,988,965,985,280/702,031,813.20
  6. Step 6: Final answer
    x = 536,487,067.80

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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.