Home / 974,908,296.90-1,345,373,449.75-557,229,550.37

Finding the Fourth Proportional to 974,908,296.90, 1,345,373,449.75 and 557,229,550.37

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Solution

The fourth proportional to 974,908,296.90, 1,345,373,449.75 and 557,229,550.37 is: 768,976,779.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,908,296.90 : 1,345,373,449.75 = 557,229,550.37 : x
  2. Step 2: Convert to fraction form
    974,908,296.90/1,345,373,449.75 = 557,229,550.37/x
  3. Step 3: Cross multiply
    974,908,296.90x = 1,345,373,449.75 × 557,229,550.37
  4. Step 4: Simplify right side
    974,908,296.90x = 749,681,842,475,808,384
  5. Step 5: Solve for x
    x = 749,681,842,475,808,384/974,908,296.90
  6. Step 6: Final answer
    x = 768,976,779.52

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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.