Home / 811,521,764.04-1,119,805,555.74-454,309,101.12

Finding the Fourth Proportional to 811,521,764.04, 1,119,805,555.74 and 454,309,101.12

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Solution

The fourth proportional to 811,521,764.04, 1,119,805,555.74 and 454,309,101.12 is: 626,893,668.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,521,764.04 : 1,119,805,555.74 = 454,309,101.12 : x
  2. Step 2: Convert to fraction form
    811,521,764.04/1,119,805,555.74 = 454,309,101.12/x
  3. Step 3: Cross multiply
    811,521,764.04x = 1,119,805,555.74 × 454,309,101.12
  4. Step 4: Simplify right side
    811,521,764.04x = 508,737,855,457,421,440
  5. Step 5: Solve for x
    x = 508,737,855,457,421,440/811,521,764.04
  6. Step 6: Final answer
    x = 626,893,668.17

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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.