Home / 830,244,452.08-1,145,742,525.38-453,901,850.72

Finding the Fourth Proportional to 830,244,452.08, 1,145,742,525.38 and 453,901,850.72

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Solution

The fourth proportional to 830,244,452.08, 1,145,742,525.38 and 453,901,850.72 is: 626,387,386.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,244,452.08 : 1,145,742,525.38 = 453,901,850.72 : x
  2. Step 2: Convert to fraction form
    830,244,452.08/1,145,742,525.38 = 453,901,850.72/x
  3. Step 3: Cross multiply
    830,244,452.08x = 1,145,742,525.38 × 453,901,850.72
  4. Step 4: Simplify right side
    830,244,452.08x = 520,054,652,718,588,672
  5. Step 5: Solve for x
    x = 520,054,652,718,588,672/830,244,452.08
  6. Step 6: Final answer
    x = 626,387,386.77

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Double scale
Find fourth proportional to 830,244,453.08, 1,145,742,526.76 and 453,901,851.72
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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.