Home / 31,640,454,349.40-43,663,870,240.98-17,172,549,526.25

Finding the Fourth Proportional to 31,640,454,349.40, 43,663,870,240.98 and 17,172,549,526.25

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Solution

The fourth proportional to 31,640,454,349.40, 43,663,870,240.98 and 17,172,549,526.25 is: 23,698,141,813.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,640,454,349.40 : 43,663,870,240.98 = 17,172,549,526.25 : x
  2. Step 2: Convert to fraction form
    31,640,454,349.40/43,663,870,240.98 = 17,172,549,526.25/x
  3. Step 3: Cross multiply
    31,640,454,349.40x = 43,663,870,240.98 × 17,172,549,526.25
  4. Step 4: Simplify right side
    31,640,454,349.40x = 749,819,974,221,034,160,128
  5. Step 5: Solve for x
    x = 749,819,974,221,034,160,128/31,640,454,349.40
  6. Step 6: Final answer
    x = 23,698,141,813.67

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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.