Home / 746,688,005.70-1,120,032,008.55-488,698,988.10

Finding the Fourth Proportional to 746,688,005.70, 1,120,032,008.55 and 488,698,988.10

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Solution

The fourth proportional to 746,688,005.70, 1,120,032,008.55 and 488,698,988.10 is: 733,048,482.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,688,005.70 : 1,120,032,008.55 = 488,698,988.10 : x
  2. Step 2: Convert to fraction form
    746,688,005.70/1,120,032,008.55 = 488,698,988.10/x
  3. Step 3: Cross multiply
    746,688,005.70x = 1,120,032,008.55 × 488,698,988.10
  4. Step 4: Simplify right side
    746,688,005.70x = 547,358,509,217,995,520
  5. Step 5: Solve for x
    x = 547,358,509,217,995,520/746,688,005.70
  6. Step 6: Final answer
    x = 733,048,482.15

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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.