Home / 829,382,477.77-1,144,547,775.55-447,904,475.98

Finding the Fourth Proportional to 829,382,477.77, 1,144,547,775.55 and 447,904,475.98

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Solution

The fourth proportional to 829,382,477.77, 1,144,547,775.55 and 447,904,475.98 is: 618,108,153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,382,477.77 : 1,144,547,775.55 = 447,904,475.98 : x
  2. Step 2: Convert to fraction form
    829,382,477.77/1,144,547,775.55 = 447,904,475.98/x
  3. Step 3: Cross multiply
    829,382,477.77x = 1,144,547,775.55 × 447,904,475.98
  4. Step 4: Simplify right side
    829,382,477.77x = 512,648,071,633,835,200
  5. Step 5: Solve for x
    x = 512,648,071,633,835,200/829,382,477.77
  6. Step 6: Final answer
    x = 618,108,153.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.