Home / 2,127,116,951.51-2,935,911,169.10-1,247,334,090.71

Finding the Fourth Proportional to 2,127,116,951.51, 2,935,911,169.10 and 1,247,334,090.71

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Solution

The fourth proportional to 2,127,116,951.51, 2,935,911,169.10 and 1,247,334,090.71 is: 1,721,608,248.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,116,951.51 : 2,935,911,169.10 = 1,247,334,090.71 : x
  2. Step 2: Convert to fraction form
    2,127,116,951.51/2,935,911,169.10 = 1,247,334,090.71/x
  3. Step 3: Cross multiply
    2,127,116,951.51x = 2,935,911,169.10 × 1,247,334,090.71
  4. Step 4: Simplify right side
    2,127,116,951.51x = 3,662,062,088,503,119,872
  5. Step 5: Solve for x
    x = 3,662,062,088,503,119,872/2,127,116,951.51
  6. Step 6: Final answer
    x = 1,721,608,248.16

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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.