Home / 728,064,683.40-1,092,097,025.10-470,075,665.80

Finding the Fourth Proportional to 728,064,683.40, 1,092,097,025.10 and 470,075,665.80

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Solution

The fourth proportional to 728,064,683.40, 1,092,097,025.10 and 470,075,665.80 is: 705,113,498.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,064,683.40 : 1,092,097,025.10 = 470,075,665.80 : x
  2. Step 2: Convert to fraction form
    728,064,683.40/1,092,097,025.10 = 470,075,665.80/x
  3. Step 3: Cross multiply
    728,064,683.40x = 1,092,097,025.10 × 470,075,665.80
  4. Step 4: Simplify right side
    728,064,683.40x = 513,368,236,192,081,792
  5. Step 5: Solve for x
    x = 513,368,236,192,081,792/728,064,683.40
  6. Step 6: Final answer
    x = 705,113,498.70

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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.