Home / 127,528,051,258.22-191,292,791,950.54-42,537,612,515.61

Finding the Fourth Proportional to 127,528,051,258.22, 191,292,791,950.54 and 42,537,612,515.61

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Solution

The fourth proportional to 127,528,051,258.22, 191,292,791,950.54 and 42,537,612,515.61 is: 63,806,657,286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,528,051,258.22 : 191,292,791,950.54 = 42,537,612,515.61 : x
  2. Step 2: Convert to fraction form
    127,528,051,258.22/191,292,791,950.54 = 42,537,612,515.61/x
  3. Step 3: Cross multiply
    127,528,051,258.22x = 191,292,791,950.54 × 42,537,612,515.61
  4. Step 4: Simplify right side
    127,528,051,258.22x = 8,137,138,661,020,314,632,192
  5. Step 5: Solve for x
    x = 8,137,138,661,020,314,632,192/127,528,051,258.22
  6. Step 6: Final answer
    x = 63,806,657,286.28

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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.