Home / 536,699,681.10-805,049,521.65-407,705,172.30

Finding the Fourth Proportional to 536,699,681.10, 805,049,521.65 and 407,705,172.30

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Solution

The fourth proportional to 536,699,681.10, 805,049,521.65 and 407,705,172.30 is: 611,557,758.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,699,681.10 : 805,049,521.65 = 407,705,172.30 : x
  2. Step 2: Convert to fraction form
    536,699,681.10/805,049,521.65 = 407,705,172.30/x
  3. Step 3: Cross multiply
    536,699,681.10x = 805,049,521.65 × 407,705,172.30
  4. Step 4: Simplify right side
    536,699,681.10x = 328,222,853,934,345,856
  5. Step 5: Solve for x
    x = 328,222,853,934,345,856/536,699,681.10
  6. Step 6: Final answer
    x = 611,557,758.45

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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.