Home / 1,300,407,320.55-1,794,563,275.64-705,691,810.65

Finding the Fourth Proportional to 1,300,407,320.55, 1,794,563,275.64 and 705,691,810.65

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Solution

The fourth proportional to 1,300,407,320.55, 1,794,563,275.64 and 705,691,810.65 is: 973,855,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,407,320.55 : 1,794,563,275.64 = 705,691,810.65 : x
  2. Step 2: Convert to fraction form
    1,300,407,320.55/1,794,563,275.64 = 705,691,810.65/x
  3. Step 3: Cross multiply
    1,300,407,320.55x = 1,794,563,275.64 × 705,691,810.65
  4. Step 4: Simplify right side
    1,300,407,320.55x = 1,266,408,607,308,858,112
  5. Step 5: Solve for x
    x = 1,266,408,607,308,858,112/1,300,407,320.55
  6. Step 6: Final answer
    x = 973,855,335.40

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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.