Home / 649,546,307.40-974,319,461.10-630,414,431.40

Finding the Fourth Proportional to 649,546,307.40, 974,319,461.10 and 630,414,431.40

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Solution

The fourth proportional to 649,546,307.40, 974,319,461.10 and 630,414,431.40 is: 945,621,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,546,307.40 : 974,319,461.10 = 630,414,431.40 : x
  2. Step 2: Convert to fraction form
    649,546,307.40/974,319,461.10 = 630,414,431.40/x
  3. Step 3: Cross multiply
    649,546,307.40x = 974,319,461.10 × 630,414,431.40
  4. Step 4: Simplify right side
    649,546,307.40x = 614,225,049,071,310,848
  5. Step 5: Solve for x
    x = 614,225,049,071,310,848/649,546,307.40
  6. Step 6: Final answer
    x = 945,621,647.10

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Half scale
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Double scale
Find fourth proportional to 649,546,308.40, 974,319,462.60 and 630,414,432.40
Similar ratio
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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.