Home / 14,129,158,916.04-19,498,655,220.74-7,785,935,357.32

Finding the Fourth Proportional to 14,129,158,916.04, 19,498,655,220.74 and 7,785,935,357.32

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Solution

The fourth proportional to 14,129,158,916.04, 19,498,655,220.74 and 7,785,935,357.32 is: 10,744,819,985.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129,158,916.04 : 19,498,655,220.74 = 7,785,935,357.32 : x
  2. Step 2: Convert to fraction form
    14,129,158,916.04/19,498,655,220.74 = 7,785,935,357.32/x
  3. Step 3: Cross multiply
    14,129,158,916.04x = 19,498,655,220.74 × 7,785,935,357.32
  4. Step 4: Simplify right side
    14,129,158,916.04x = 151,815,269,103,351,791,616
  5. Step 5: Solve for x
    x = 151,815,269,103,351,791,616/14,129,158,916.04
  6. Step 6: Final answer
    x = 10,744,819,985.78

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Double scale
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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.