Home / 1,370,248,341.66-1,890,944,785.35-743,716,996.38

Finding the Fourth Proportional to 1,370,248,341.66, 1,890,944,785.35 and 743,716,996.38

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Solution

The fourth proportional to 1,370,248,341.66, 1,890,944,785.35 and 743,716,996.38 is: 1,026,330,580.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,248,341.66 : 1,890,944,785.35 = 743,716,996.38 : x
  2. Step 2: Convert to fraction form
    1,370,248,341.66/1,890,944,785.35 = 743,716,996.38/x
  3. Step 3: Cross multiply
    1,370,248,341.66x = 1,890,944,785.35 × 743,716,996.38
  4. Step 4: Simplify right side
    1,370,248,341.66x = 1,406,327,776,080,925,696
  5. Step 5: Solve for x
    x = 1,406,327,776,080,925,696/1,370,248,341.66
  6. Step 6: Final answer
    x = 1,026,330,580.61

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Double scale
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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.