Home / 558,460,833.01-770,666,547.20-307,588,586.78

Finding the Fourth Proportional to 558,460,833.01, 770,666,547.20 and 307,588,586.78

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Solution

The fourth proportional to 558,460,833.01, 770,666,547.20 and 307,588,586.78 is: 424,467,071.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,460,833.01 : 770,666,547.20 = 307,588,586.78 : x
  2. Step 2: Convert to fraction form
    558,460,833.01/770,666,547.20 = 307,588,586.78/x
  3. Step 3: Cross multiply
    558,460,833.01x = 770,666,547.20 × 307,588,586.78
  4. Step 4: Simplify right side
    558,460,833.01x = 237,048,234,132,258,912
  5. Step 5: Solve for x
    x = 237,048,234,132,258,912/558,460,833.01
  6. Step 6: Final answer
    x = 424,467,071.14

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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.