Home / 56,842,080,884.06-78,438,963,959.77-31,116,384,137.65

Finding the Fourth Proportional to 56,842,080,884.06, 78,438,963,959.77 and 31,116,384,137.65

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Solution

The fourth proportional to 56,842,080,884.06, 78,438,963,959.77 and 31,116,384,137.65 is: 42,938,908,920.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,842,080,884.06 : 78,438,963,959.77 = 31,116,384,137.65 : x
  2. Step 2: Convert to fraction form
    56,842,080,884.06/78,438,963,959.77 = 31,116,384,137.65/x
  3. Step 3: Cross multiply
    56,842,080,884.06x = 78,438,963,959.77 × 31,116,384,137.65
  4. Step 4: Simplify right side
    56,842,080,884.06x = 2,440,736,933,931,925,372,928
  5. Step 5: Solve for x
    x = 2,440,736,933,931,925,372,928/56,842,080,884.06
  6. Step 6: Final answer
    x = 42,938,908,920.50

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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.