Home / 783,684,581.49-1,174,799,126.12-346,751,899.65

Finding the Fourth Proportional to 783,684,581.49, 1,174,799,126.12 and 346,751,899.65

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Solution

The fourth proportional to 783,684,581.49, 1,174,799,126.12 and 346,751,899.65 is: 519,805,848.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,684,581.49 : 1,174,799,126.12 = 346,751,899.65 : x
  2. Step 2: Convert to fraction form
    783,684,581.49/1,174,799,126.12 = 346,751,899.65/x
  3. Step 3: Cross multiply
    783,684,581.49x = 1,174,799,126.12 × 346,751,899.65
  4. Step 4: Simplify right side
    783,684,581.49x = 407,363,828,687,536,128
  5. Step 5: Solve for x
    x = 407,363,828,687,536,128/783,684,581.49
  6. Step 6: Final answer
    x = 519,805,848.31

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Double scale
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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.