Home / 630,600,107.20-870,637,624.38-564,405,974.08

Finding the Fourth Proportional to 630,600,107.20, 870,637,624.38 and 564,405,974.08

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Solution

The fourth proportional to 630,600,107.20, 870,637,624.38 and 564,405,974.08 is: 779,246,737.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,600,107.20 : 870,637,624.38 = 564,405,974.08 : x
  2. Step 2: Convert to fraction form
    630,600,107.20/870,637,624.38 = 564,405,974.08/x
  3. Step 3: Cross multiply
    630,600,107.20x = 870,637,624.38 × 564,405,974.08
  4. Step 4: Simplify right side
    630,600,107.20x = 491,393,076,458,891,072
  5. Step 5: Solve for x
    x = 491,393,076,458,891,072/630,600,107.20
  6. Step 6: Final answer
    x = 779,246,737.91

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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.