Home / 728,064,681.40-1,092,097,022.10-470,075,663.80

Finding the Fourth Proportional to 728,064,681.40, 1,092,097,022.10 and 470,075,663.80

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Solution

The fourth proportional to 728,064,681.40, 1,092,097,022.10 and 470,075,663.80 is: 705,113,495.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,064,681.40 : 1,092,097,022.10 = 470,075,663.80 : x
  2. Step 2: Convert to fraction form
    728,064,681.40/1,092,097,022.10 = 470,075,663.80/x
  3. Step 3: Cross multiply
    728,064,681.40x = 1,092,097,022.10 × 470,075,663.80
  4. Step 4: Simplify right side
    728,064,681.40x = 513,368,232,597,660,736
  5. Step 5: Solve for x
    x = 513,368,232,597,660,736/728,064,681.40
  6. Step 6: Final answer
    x = 705,113,495.70

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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.