Home / 1,200,592,430.66-1,656,440,018.61-671,872,408.58

Finding the Fourth Proportional to 1,200,592,430.66, 1,656,440,018.61 and 671,872,408.58

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Solution

The fourth proportional to 1,200,592,430.66, 1,656,440,018.61 and 671,872,408.58 is: 926,972,648.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,592,430.66 : 1,656,440,018.61 = 671,872,408.58 : x
  2. Step 2: Convert to fraction form
    1,200,592,430.66/1,656,440,018.61 = 671,872,408.58/x
  3. Step 3: Cross multiply
    1,200,592,430.66x = 1,656,440,018.61 × 671,872,408.58
  4. Step 4: Simplify right side
    1,200,592,430.66x = 1,112,916,344,963,518,592
  5. Step 5: Solve for x
    x = 1,112,916,344,963,518,592/1,200,592,430.66
  6. Step 6: Final answer
    x = 926,972,648.29

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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.