Home / 561,018,763.28-841,528,148.16-152,074,912.16

Finding the Fourth Proportional to 561,018,763.28, 841,528,148.16 and 152,074,912.16

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Solution

The fourth proportional to 561,018,763.28, 841,528,148.16 and 152,074,912.16 is: 228,112,369.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,018,763.28 : 841,528,148.16 = 152,074,912.16 : x
  2. Step 2: Convert to fraction form
    561,018,763.28/841,528,148.16 = 152,074,912.16/x
  3. Step 3: Cross multiply
    561,018,763.28x = 841,528,148.16 × 152,074,912.16
  4. Step 4: Simplify right side
    561,018,763.28x = 127,975,319,211,599,456
  5. Step 5: Solve for x
    x = 127,975,319,211,599,456/561,018,763.28
  6. Step 6: Final answer
    x = 228,112,369.12

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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.