Home / 742,032,004.80-1,113,048,007.20-470,606,059.20

Finding the Fourth Proportional to 742,032,004.80, 1,113,048,007.20 and 470,606,059.20

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Solution

The fourth proportional to 742,032,004.80, 1,113,048,007.20 and 470,606,059.20 is: 705,909,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,032,004.80 : 1,113,048,007.20 = 470,606,059.20 : x
  2. Step 2: Convert to fraction form
    742,032,004.80/1,113,048,007.20 = 470,606,059.20/x
  3. Step 3: Cross multiply
    742,032,004.80x = 1,113,048,007.20 × 470,606,059.20
  4. Step 4: Simplify right side
    742,032,004.80x = 523,807,136,368,805,248
  5. Step 5: Solve for x
    x = 523,807,136,368,805,248/742,032,004.80
  6. Step 6: Final answer
    x = 705,909,088.80

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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.