Home / 548,590,547.83-822,966,128.40-257,487,239.83

Finding the Fourth Proportional to 548,590,547.83, 822,966,128.40 and 257,487,239.83

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Solution

The fourth proportional to 548,590,547.83, 822,966,128.40 and 257,487,239.83 is: 386,268,552.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,590,547.83 : 822,966,128.40 = 257,487,239.83 : x
  2. Step 2: Convert to fraction form
    548,590,547.83/822,966,128.40 = 257,487,239.83/x
  3. Step 3: Cross multiply
    548,590,547.83x = 822,966,128.40 × 257,487,239.83
  4. Step 4: Simplify right side
    548,590,547.83x = 211,903,276,875,297,376
  5. Step 5: Solve for x
    x = 211,903,276,875,297,376/548,590,547.83
  6. Step 6: Final answer
    x = 386,268,552.59

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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.