Home / 12,941,427,931.60-19,412,141,897.40-6,665,216,009.80

Finding the Fourth Proportional to 12,941,427,931.60, 19,412,141,897.40 and 6,665,216,009.80

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Solution

The fourth proportional to 12,941,427,931.60, 19,412,141,897.40 and 6,665,216,009.80 is: 9,997,824,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941,427,931.60 : 19,412,141,897.40 = 6,665,216,009.80 : x
  2. Step 2: Convert to fraction form
    12,941,427,931.60/19,412,141,897.40 = 6,665,216,009.80/x
  3. Step 3: Cross multiply
    12,941,427,931.60x = 19,412,141,897.40 × 6,665,216,009.80
  4. Step 4: Simplify right side
    12,941,427,931.60x = 129,386,118,959,059,845,120
  5. Step 5: Solve for x
    x = 129,386,118,959,059,845,120/12,941,427,931.60
  6. Step 6: Final answer
    x = 9,997,824,014.70

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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.