Home / 1,045,214,678.40-1,442,384,809.92-575,305,952.64

Finding the Fourth Proportional to 1,045,214,678.40, 1,442,384,809.92 and 575,305,952.64

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Solution

The fourth proportional to 1,045,214,678.40, 1,442,384,809.92 and 575,305,952.64 is: 793,915,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,214,678.40 : 1,442,384,809.92 = 575,305,952.64 : x
  2. Step 2: Convert to fraction form
    1,045,214,678.40/1,442,384,809.92 = 575,305,952.64/x
  3. Step 3: Cross multiply
    1,045,214,678.40x = 1,442,384,809.92 × 575,305,952.64
  4. Step 4: Simplify right side
    1,045,214,678.40x = 829,812,567,144,491,008
  5. Step 5: Solve for x
    x = 829,812,567,144,491,008/1,045,214,678.40
  6. Step 6: Final answer
    x = 793,915,914.40

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1.5x scale

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.