Home / 1,235,246,344.40-1,852,869,516.60-417,346,835.60

Finding the Fourth Proportional to 1,235,246,344.40, 1,852,869,516.60 and 417,346,835.60

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Solution

The fourth proportional to 1,235,246,344.40, 1,852,869,516.60 and 417,346,835.60 is: 626,020,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,246,344.40 : 1,852,869,516.60 = 417,346,835.60 : x
  2. Step 2: Convert to fraction form
    1,235,246,344.40/1,852,869,516.60 = 417,346,835.60/x
  3. Step 3: Cross multiply
    1,235,246,344.40x = 1,852,869,516.60 × 417,346,835.60
  4. Step 4: Simplify right side
    1,235,246,344.40x = 773,289,229,532,711,680
  5. Step 5: Solve for x
    x = 773,289,229,532,711,680/1,235,246,344.40
  6. Step 6: Final answer
    x = 626,020,253.40

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Half scale
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Double scale
Find fourth proportional to 1,235,246,345.40, 1,852,869,518.10 and 417,346,836.60
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.