Home / 540,628,011.11-810,943,345.59-152,452,875.89

Finding the Fourth Proportional to 540,628,011.11, 810,943,345.59 and 152,452,875.89

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Solution

The fourth proportional to 540,628,011.11, 810,943,345.59 and 152,452,875.89 is: 228,679,688.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,628,011.11 : 810,943,345.59 = 152,452,875.89 : x
  2. Step 2: Convert to fraction form
    540,628,011.11/810,943,345.59 = 152,452,875.89/x
  3. Step 3: Cross multiply
    540,628,011.11x = 810,943,345.59 × 152,452,875.89
  4. Step 4: Simplify right side
    540,628,011.11x = 123,630,645,219,053,648
  5. Step 5: Solve for x
    x = 123,630,645,219,053,648/540,628,011.11
  6. Step 6: Final answer
    x = 228,679,688.58

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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.