Home / 1,042,367,522.40-1,438,144,625.52-602,173,761.12

Finding the Fourth Proportional to 1,042,367,522.40, 1,438,144,625.52 and 602,173,761.12

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Solution

The fourth proportional to 1,042,367,522.40, 1,438,144,625.52 and 602,173,761.12 is: 830,813,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,367,522.40 : 1,438,144,625.52 = 602,173,761.12 : x
  2. Step 2: Convert to fraction form
    1,042,367,522.40/1,438,144,625.52 = 602,173,761.12/x
  3. Step 3: Cross multiply
    1,042,367,522.40x = 1,438,144,625.52 × 602,173,761.12
  4. Step 4: Simplify right side
    1,042,367,522.40x = 866,012,958,183,892,352
  5. Step 5: Solve for x
    x = 866,012,958,183,892,352/1,042,367,522.40
  6. Step 6: Final answer
    x = 830,813,450.70

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Half scale
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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.