Home / 1,026,210,605.40-1,539,315,908.10-897,070,442.40

Finding the Fourth Proportional to 1,026,210,605.40, 1,539,315,908.10 and 897,070,442.40

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Solution

The fourth proportional to 1,026,210,605.40, 1,539,315,908.10 and 897,070,442.40 is: 1,345,605,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,210,605.40 : 1,539,315,908.10 = 897,070,442.40 : x
  2. Step 2: Convert to fraction form
    1,026,210,605.40/1,539,315,908.10 = 897,070,442.40/x
  3. Step 3: Cross multiply
    1,026,210,605.40x = 1,539,315,908.10 × 897,070,442.40
  4. Step 4: Simplify right side
    1,026,210,605.40x = 1,380,874,802,672,624,640
  5. Step 5: Solve for x
    x = 1,380,874,802,672,624,640/1,026,210,605.40
  6. Step 6: Final answer
    x = 1,345,605,663.60

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Double scale
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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.