Home / 1,293,632,085.60-1,940,448,128.40-516,893,666.40

Finding the Fourth Proportional to 1,293,632,085.60, 1,940,448,128.40 and 516,893,666.40

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Solution

The fourth proportional to 1,293,632,085.60, 1,940,448,128.40 and 516,893,666.40 is: 775,340,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,632,085.60 : 1,940,448,128.40 = 516,893,666.40 : x
  2. Step 2: Convert to fraction form
    1,293,632,085.60/1,940,448,128.40 = 516,893,666.40/x
  3. Step 3: Cross multiply
    1,293,632,085.60x = 1,940,448,128.40 × 516,893,666.40
  4. Step 4: Simplify right side
    1,293,632,085.60x = 1,003,005,347,547,693,952
  5. Step 5: Solve for x
    x = 1,003,005,347,547,693,952/1,293,632,085.60
  6. Step 6: Final answer
    x = 775,340,499.60

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1.5x scale

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.