Home / 728,064,274.40-1,092,096,411.60-470,075,256.80

Finding the Fourth Proportional to 728,064,274.40, 1,092,096,411.60 and 470,075,256.80

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Solution

The fourth proportional to 728,064,274.40, 1,092,096,411.60 and 470,075,256.80 is: 705,112,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,064,274.40 : 1,092,096,411.60 = 470,075,256.80 : x
  2. Step 2: Convert to fraction form
    728,064,274.40/1,092,096,411.60 = 470,075,256.80/x
  3. Step 3: Cross multiply
    728,064,274.40x = 1,092,096,411.60 × 470,075,256.80
  4. Step 4: Simplify right side
    728,064,274.40x = 513,367,501,133,228,480
  5. Step 5: Solve for x
    x = 513,367,501,133,228,480/728,064,274.40
  6. Step 6: Final answer
    x = 705,112,885.20

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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.