Home / 1,321,865,582.96-1,982,377,707.04-436,386,071.94

Finding the Fourth Proportional to 1,321,865,582.96, 1,982,377,707.04 and 436,386,071.94

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Solution

The fourth proportional to 1,321,865,582.96, 1,982,377,707.04 and 436,386,071.94 is: 654,440,233.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,865,582.96 : 1,982,377,707.04 = 436,386,071.94 : x
  2. Step 2: Convert to fraction form
    1,321,865,582.96/1,982,377,707.04 = 436,386,071.94/x
  3. Step 3: Cross multiply
    1,321,865,582.96x = 1,982,377,707.04 × 436,386,071.94
  4. Step 4: Simplify right side
    1,321,865,582.96x = 865,082,020,685,799,808
  5. Step 5: Solve for x
    x = 865,082,020,685,799,808/1,321,865,582.96
  6. Step 6: Final answer
    x = 654,440,233.44

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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.