Home / 649,981,254.37-896,975,869.63-352,623,496.54

Finding the Fourth Proportional to 649,981,254.37, 896,975,869.63 and 352,623,496.54

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Solution

The fourth proportional to 649,981,254.37, 896,975,869.63 and 352,623,496.54 is: 486,621,368.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,981,254.37 : 896,975,869.63 = 352,623,496.54 : x
  2. Step 2: Convert to fraction form
    649,981,254.37/896,975,869.63 = 352,623,496.54/x
  3. Step 3: Cross multiply
    649,981,254.37x = 896,975,869.63 × 352,623,496.54
  4. Step 4: Simplify right side
    649,981,254.37x = 316,294,767,460,937,792
  5. Step 5: Solve for x
    x = 316,294,767,460,937,792/649,981,254.37
  6. Step 6: Final answer
    x = 486,621,368.44

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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.