Home / 1,525,233,010.80-2,287,849,516.20-434,574,361.20

Finding the Fourth Proportional to 1,525,233,010.80, 2,287,849,516.20 and 434,574,361.20

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Solution

The fourth proportional to 1,525,233,010.80, 2,287,849,516.20 and 434,574,361.20 is: 651,861,541.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,233,010.80 : 2,287,849,516.20 = 434,574,361.20 : x
  2. Step 2: Convert to fraction form
    1,525,233,010.80/2,287,849,516.20 = 434,574,361.20/x
  3. Step 3: Cross multiply
    1,525,233,010.80x = 2,287,849,516.20 × 434,574,361.20
  4. Step 4: Simplify right side
    1,525,233,010.80x = 994,240,742,024,343,936
  5. Step 5: Solve for x
    x = 994,240,742,024,343,936/1,525,233,010.80
  6. Step 6: Final answer
    x = 651,861,541.80

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Double scale
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Similar ratio
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1.5x scale

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.