Home / 754,235,165.90-1,040,935,139.72-456,868,683.02

Finding the Fourth Proportional to 754,235,165.90, 1,040,935,139.72 and 456,868,683.02

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Solution

The fourth proportional to 754,235,165.90, 1,040,935,139.72 and 456,868,683.02 is: 630,533,668.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,235,165.90 : 1,040,935,139.72 = 456,868,683.02 : x
  2. Step 2: Convert to fraction form
    754,235,165.90/1,040,935,139.72 = 456,868,683.02/x
  3. Step 3: Cross multiply
    754,235,165.90x = 1,040,935,139.72 × 456,868,683.02
  4. Step 4: Simplify right side
    754,235,165.90x = 475,570,666,390,831,744
  5. Step 5: Solve for x
    x = 475,570,666,390,831,744/754,235,165.90
  6. Step 6: Final answer
    x = 630,533,668.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.