Home / 540,628,008.61-810,943,341.83-152,452,873.39

Finding the Fourth Proportional to 540,628,008.61, 810,943,341.83 and 152,452,873.39

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Solution

The fourth proportional to 540,628,008.61, 810,943,341.83 and 152,452,873.39 is: 228,679,684.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,628,008.61 : 810,943,341.83 = 152,452,873.39 : x
  2. Step 2: Convert to fraction form
    540,628,008.61/810,943,341.83 = 152,452,873.39/x
  3. Step 3: Cross multiply
    540,628,008.61x = 810,943,341.83 × 152,452,873.39
  4. Step 4: Simplify right side
    540,628,008.61x = 123,630,642,617,710,208
  5. Step 5: Solve for x
    x = 123,630,642,617,710,208/540,628,008.61
  6. Step 6: Final answer
    x = 228,679,684.83

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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.