Home / 13,712,009,178.60-18,903,444,611.40-9,196,695,123.84

Finding the Fourth Proportional to 13,712,009,178.60, 18,903,444,611.40 and 9,196,695,123.84

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Solution

The fourth proportional to 13,712,009,178.60, 18,903,444,611.40 and 9,196,695,123.84 is: 12,678,610,013.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712,009,178.60 : 18,903,444,611.40 = 9,196,695,123.84 : x
  2. Step 2: Convert to fraction form
    13,712,009,178.60/18,903,444,611.40 = 9,196,695,123.84/x
  3. Step 3: Cross multiply
    13,712,009,178.60x = 18,903,444,611.40 × 9,196,695,123.84
  4. Step 4: Simplify right side
    13,712,009,178.60x = 173,849,216,881,441,931,264
  5. Step 5: Solve for x
    x = 173,849,216,881,441,931,264/13,712,009,178.60
  6. Step 6: Final answer
    x = 12,678,610,013.82

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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.