Home / 910,318,339.06-1,256,234,689.36-492,630,624.34

Finding the Fourth Proportional to 910,318,339.06, 1,256,234,689.36 and 492,630,624.34

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Solution

The fourth proportional to 910,318,339.06, 1,256,234,689.36 and 492,630,624.34 is: 679,827,762.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,318,339.06 : 1,256,234,689.36 = 492,630,624.34 : x
  2. Step 2: Convert to fraction form
    910,318,339.06/1,256,234,689.36 = 492,630,624.34/x
  3. Step 3: Cross multiply
    910,318,339.06x = 1,256,234,689.36 × 492,630,624.34
  4. Step 4: Simplify right side
    910,318,339.06x = 618,859,679,336,982,656
  5. Step 5: Solve for x
    x = 618,859,679,336,982,656/910,318,339.06
  6. Step 6: Final answer
    x = 679,827,762.20

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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.