Home / 1,427,127,111.47-2,140,772,473.91-377,838,049.59

Finding the Fourth Proportional to 1,427,127,111.47, 2,140,772,473.91 and 377,838,049.59

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Solution

The fourth proportional to 1,427,127,111.47, 2,140,772,473.91 and 377,838,049.59 is: 566,778,733.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,127,111.47 : 2,140,772,473.91 = 377,838,049.59 : x
  2. Step 2: Convert to fraction form
    1,427,127,111.47/2,140,772,473.91 = 377,838,049.59/x
  3. Step 3: Cross multiply
    1,427,127,111.47x = 2,140,772,473.91 × 377,838,049.59
  4. Step 4: Simplify right side
    1,427,127,111.47x = 808,865,296,158,113,536
  5. Step 5: Solve for x
    x = 808,865,296,158,113,536/1,427,127,111.47
  6. Step 6: Final answer
    x = 566,778,733.06

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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.