Home / 1,097,386,285.91-1,645,710,427.42-397,731,962.75

Finding the Fourth Proportional to 1,097,386,285.91, 1,645,710,427.42 and 397,731,962.75

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Solution

The fourth proportional to 1,097,386,285.91, 1,645,710,427.42 and 397,731,962.75 is: 596,464,204.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,386,285.91 : 1,645,710,427.42 = 397,731,962.75 : x
  2. Step 2: Convert to fraction form
    1,097,386,285.91/1,645,710,427.42 = 397,731,962.75/x
  3. Step 3: Cross multiply
    1,097,386,285.91x = 1,645,710,427.42 × 397,731,962.75
  4. Step 4: Simplify right side
    1,097,386,285.91x = 654,551,638,406,675,200
  5. Step 5: Solve for x
    x = 654,551,638,406,675,200/1,097,386,285.91
  6. Step 6: Final answer
    x = 596,464,204.82

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Double scale
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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.