Home / 838,460,995.68-1,157,061,122.64-456,986,464.32

Finding the Fourth Proportional to 838,460,995.68, 1,157,061,122.64 and 456,986,464.32

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Solution

The fourth proportional to 838,460,995.68, 1,157,061,122.64 and 456,986,464.32 is: 630,633,117.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,460,995.68 : 1,157,061,122.64 = 456,986,464.32 : x
  2. Step 2: Convert to fraction form
    838,460,995.68/1,157,061,122.64 = 456,986,464.32/x
  3. Step 3: Cross multiply
    838,460,995.68x = 1,157,061,122.64 × 456,986,464.32
  4. Step 4: Simplify right side
    838,460,995.68x = 528,761,271,437,383,552
  5. Step 5: Solve for x
    x = 528,761,271,437,383,552/838,460,995.68
  6. Step 6: Final answer
    x = 630,633,117.30

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Double scale
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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.