Home / 12,034,139,871.60-18,051,209,807.40-9,966,196,652.40

Finding the Fourth Proportional to 12,034,139,871.60, 18,051,209,807.40 and 9,966,196,652.40

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Solution

The fourth proportional to 12,034,139,871.60, 18,051,209,807.40 and 9,966,196,652.40 is: 14,949,294,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,034,139,871.60 : 18,051,209,807.40 = 9,966,196,652.40 : x
  2. Step 2: Convert to fraction form
    12,034,139,871.60/18,051,209,807.40 = 9,966,196,652.40/x
  3. Step 3: Cross multiply
    12,034,139,871.60x = 18,051,209,807.40 × 9,966,196,652.40
  4. Step 4: Simplify right side
    12,034,139,871.60x = 179,901,906,754,279,931,904
  5. Step 5: Solve for x
    x = 179,901,906,754,279,931,904/12,034,139,871.60
  6. Step 6: Final answer
    x = 14,949,294,978.60

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Double scale
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1.5x scale

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.