Home / 630,090,217.23-869,501,706.30-347,826,595.52

Finding the Fourth Proportional to 630,090,217.23, 869,501,706.30 and 347,826,595.52

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Solution

The fourth proportional to 630,090,217.23, 869,501,706.30 and 347,826,595.52 is: 479,988,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,090,217.23 : 869,501,706.30 = 347,826,595.52 : x
  2. Step 2: Convert to fraction form
    630,090,217.23/869,501,706.30 = 347,826,595.52/x
  3. Step 3: Cross multiply
    630,090,217.23x = 869,501,706.30 × 347,826,595.52
  4. Step 4: Simplify right side
    630,090,217.23x = 302,435,818,296,812,416
  5. Step 5: Solve for x
    x = 302,435,818,296,812,416/630,090,217.23
  6. Step 6: Final answer
    x = 479,988,119.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.