Home / 659,730,915.36-910,587,225.60-377,636,882.16

Finding the Fourth Proportional to 659,730,915.36, 910,587,225.60 and 377,636,882.16

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Solution

The fourth proportional to 659,730,915.36, 910,587,225.60 and 377,636,882.16 is: 521,229,660.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,730,915.36 : 910,587,225.60 = 377,636,882.16 : x
  2. Step 2: Convert to fraction form
    659,730,915.36/910,587,225.60 = 377,636,882.16/x
  3. Step 3: Cross multiply
    659,730,915.36x = 910,587,225.60 × 377,636,882.16
  4. Step 4: Simplify right side
    659,730,915.36x = 343,871,320,810,308,544
  5. Step 5: Solve for x
    x = 343,871,320,810,308,544/659,730,915.36
  6. Step 6: Final answer
    x = 521,229,660.16

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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.