Home / 18,655,209,015,220-27,986,630,044,120-6,415,029,779,816.50

Finding the Fourth Proportional to 18,655,209,015,220, 27,986,630,044,120 and 6,415,029,779,816.50

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Solution

The fourth proportional to 18,655,209,015,220, 27,986,630,044,120 and 6,415,029,779,816.50 is: 9,623,857,069,800.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,655,209,015,220 : 27,986,630,044,120 = 6,415,029,779,816.50 : x
  2. Step 2: Convert to fraction form
    18,655,209,015,220/27,986,630,044,120 = 6,415,029,779,816.50/x
  3. Step 3: Cross multiply
    18,655,209,015,220x = 27,986,630,044,120 × 6,415,029,779,816.50
  4. Step 4: Simplify right side
    18,655,209,015,220x = 179,535,065,169,736,964,398,645,248
  5. Step 5: Solve for x
    x = 179,535,065,169,736,964,398,645,248/18,655,209,015,220
  6. Step 6: Final answer
    x = 9,623,857,069,800.82

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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.