Home / 548,553,429,509.66-822,936,108,492.80-208,566,172,783.30

Finding the Fourth Proportional to 548,553,429,509.66, 822,936,108,492.80 and 208,566,172,783.30

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Solution

The fourth proportional to 548,553,429,509.66, 822,936,108,492.80 and 208,566,172,783.30 is: 312,889,547,964.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,553,429,509.66 : 822,936,108,492.80 = 208,566,172,783.30 : x
  2. Step 2: Convert to fraction form
    548,553,429,509.66/822,936,108,492.80 = 208,566,172,783.30/x
  3. Step 3: Cross multiply
    548,553,429,509.66x = 822,936,108,492.80 × 208,566,172,783.30
  4. Step 4: Simplify right side
    548,553,429,509.66x = 171,636,634,593,525,843,886,080
  5. Step 5: Solve for x
    x = 171,636,634,593,525,843,886,080/548,553,429,509.66
  6. Step 6: Final answer
    x = 312,889,547,964.27

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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.