Home / 586,512,007.80-879,768,011.70-177,588,497.40

Finding the Fourth Proportional to 586,512,007.80, 879,768,011.70 and 177,588,497.40

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Solution

The fourth proportional to 586,512,007.80, 879,768,011.70 and 177,588,497.40 is: 266,382,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,512,007.80 : 879,768,011.70 = 177,588,497.40 : x
  2. Step 2: Convert to fraction form
    586,512,007.80/879,768,011.70 = 177,588,497.40/x
  3. Step 3: Cross multiply
    586,512,007.80x = 879,768,011.70 × 177,588,497.40
  4. Step 4: Simplify right side
    586,512,007.80x = 156,236,679,258,388,640
  5. Step 5: Solve for x
    x = 156,236,679,258,388,640/586,512,007.80
  6. Step 6: Final answer
    x = 266,382,746.10

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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.