Home / 1,422,039,923.69-2,130,730,551.86-757,348,230.47

Finding the Fourth Proportional to 1,422,039,923.69, 2,130,730,551.86 and 757,348,230.47

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Solution

The fourth proportional to 1,422,039,923.69, 2,130,730,551.86 and 757,348,230.47 is: 1,134,781,792.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,039,923.69 : 2,130,730,551.86 = 757,348,230.47 : x
  2. Step 2: Convert to fraction form
    1,422,039,923.69/2,130,730,551.86 = 757,348,230.47/x
  3. Step 3: Cross multiply
    1,422,039,923.69x = 2,130,730,551.86 × 757,348,230.47
  4. Step 4: Simplify right side
    1,422,039,923.69x = 1,613,705,013,059,537,664
  5. Step 5: Solve for x
    x = 1,613,705,013,059,537,664/1,422,039,923.69
  6. Step 6: Final answer
    x = 1,134,781,792.11

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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.