Home / 127,528,051,259.25-191,292,791,952.06-42,537,612,516.61

Finding the Fourth Proportional to 127,528,051,259.25, 191,292,791,952.06 and 42,537,612,516.61

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Solution

The fourth proportional to 127,528,051,259.25, 191,292,791,952.06 and 42,537,612,516.61 is: 63,806,657,287.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,528,051,259.25 : 191,292,791,952.06 = 42,537,612,516.61 : x
  2. Step 2: Convert to fraction form
    127,528,051,259.25/191,292,791,952.06 = 42,537,612,516.61/x
  3. Step 3: Cross multiply
    127,528,051,259.25x = 191,292,791,952.06 × 42,537,612,516.61
  4. Step 4: Simplify right side
    127,528,051,259.25x = 8,137,138,661,277,219,946,496
  5. Step 5: Solve for x
    x = 8,137,138,661,277,219,946,496/127,528,051,259.25
  6. Step 6: Final answer
    x = 63,806,657,287.78

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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.