Home / 450,165,429.92-675,235,547.72-143,475,946.40

Finding the Fourth Proportional to 450,165,429.92, 675,235,547.72 and 143,475,946.40

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Solution

The fourth proportional to 450,165,429.92, 675,235,547.72 and 143,475,946.40 is: 215,209,904.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,165,429.92 : 675,235,547.72 = 143,475,946.40 : x
  2. Step 2: Convert to fraction form
    450,165,429.92/675,235,547.72 = 143,475,946.40/x
  3. Step 3: Cross multiply
    450,165,429.92x = 675,235,547.72 × 143,475,946.40
  4. Step 4: Simplify right side
    450,165,429.92x = 96,880,059,252,049,376
  5. Step 5: Solve for x
    x = 96,880,059,252,049,376/450,165,429.92
  6. Step 6: Final answer
    x = 215,209,904.65

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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.