Home / 841,498,100.69-1,161,245,103.04-470,223,182.93

Finding the Fourth Proportional to 841,498,100.69, 1,161,245,103.04 and 470,223,182.93

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Solution

The fourth proportional to 841,498,100.69, 1,161,245,103.04 and 470,223,182.93 is: 648,895,544.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,498,100.69 : 1,161,245,103.04 = 470,223,182.93 : x
  2. Step 2: Convert to fraction form
    841,498,100.69/1,161,245,103.04 = 470,223,182.93/x
  3. Step 3: Cross multiply
    841,498,100.69x = 1,161,245,103.04 × 470,223,182.93
  4. Step 4: Simplify right side
    841,498,100.69x = 546,044,368,513,344,640
  5. Step 5: Solve for x
    x = 546,044,368,513,344,640/841,498,100.69
  6. Step 6: Final answer
    x = 648,895,544.82

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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.