Home / 486,927,231.93-728,666,717.54-302,781,423.69

Finding the Fourth Proportional to 486,927,231.93, 728,666,717.54 and 302,781,423.69

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Solution

The fourth proportional to 486,927,231.93, 728,666,717.54 and 302,781,423.69 is: 453,100,035.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,927,231.93 : 728,666,717.54 = 302,781,423.69 : x
  2. Step 2: Convert to fraction form
    486,927,231.93/728,666,717.54 = 302,781,423.69/x
  3. Step 3: Cross multiply
    486,927,231.93x = 728,666,717.54 × 302,781,423.69
  4. Step 4: Simplify right side
    486,927,231.93x = 220,626,746,130,766,368
  5. Step 5: Solve for x
    x = 220,626,746,130,766,368/486,927,231.93
  6. Step 6: Final answer
    x = 453,100,035.62

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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.