Home / 5,157,657,497.48-7,117,524,560.80-2,899,607,089.20

Finding the Fourth Proportional to 5,157,657,497.48, 7,117,524,560.80 and 2,899,607,089.20

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Solution

The fourth proportional to 5,157,657,497.48, 7,117,524,560.80 and 2,899,607,089.20 is: 4,001,433,729.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157,657,497.48 : 7,117,524,560.80 = 2,899,607,089.20 : x
  2. Step 2: Convert to fraction form
    5,157,657,497.48/7,117,524,560.80 = 2,899,607,089.20/x
  3. Step 3: Cross multiply
    5,157,657,497.48x = 7,117,524,560.80 × 2,899,607,089.20
  4. Step 4: Simplify right side
    5,157,657,497.48x = 20,638,024,674,032,553,984
  5. Step 5: Solve for x
    x = 20,638,024,674,032,553,984/5,157,657,497.48
  6. Step 6: Final answer
    x = 4,001,433,729.19

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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.