Home / 1,072,316,752.20-1,608,475,128.30-381,974,893.20

Finding the Fourth Proportional to 1,072,316,752.20, 1,608,475,128.30 and 381,974,893.20

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Solution

The fourth proportional to 1,072,316,752.20, 1,608,475,128.30 and 381,974,893.20 is: 572,962,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,316,752.20 : 1,608,475,128.30 = 381,974,893.20 : x
  2. Step 2: Convert to fraction form
    1,072,316,752.20/1,608,475,128.30 = 381,974,893.20/x
  3. Step 3: Cross multiply
    1,072,316,752.20x = 1,608,475,128.30 × 381,974,893.20
  4. Step 4: Simplify right side
    1,072,316,752.20x = 614,397,115,347,248,768
  5. Step 5: Solve for x
    x = 614,397,115,347,248,768/1,072,316,752.20
  6. Step 6: Final answer
    x = 572,962,339.80

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1.5x scale

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.