Home / 7,818,348,897.60-10,789,244,827.48-4,249,843,485.64

Finding the Fourth Proportional to 7,818,348,897.60, 10,789,244,827.48 and 4,249,843,485.64

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Solution

The fourth proportional to 7,818,348,897.60, 10,789,244,827.48 and 4,249,843,485.64 is: 5,864,742,344.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818,348,897.60 : 10,789,244,827.48 = 4,249,843,485.64 : x
  2. Step 2: Convert to fraction form
    7,818,348,897.60/10,789,244,827.48 = 4,249,843,485.64/x
  3. Step 3: Cross multiply
    7,818,348,897.60x = 10,789,244,827.48 × 4,249,843,485.64
  4. Step 4: Simplify right side
    7,818,348,897.60x = 45,852,601,845,040,939,008
  5. Step 5: Solve for x
    x = 45,852,601,845,040,939,008/7,818,348,897.60
  6. Step 6: Final answer
    x = 5,864,742,344.65

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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.