Home / 784,897,762.40-1,177,346,643.60-267,156,130.40

Finding the Fourth Proportional to 784,897,762.40, 1,177,346,643.60 and 267,156,130.40

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Solution

The fourth proportional to 784,897,762.40, 1,177,346,643.60 and 267,156,130.40 is: 400,734,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,897,762.40 : 1,177,346,643.60 = 267,156,130.40 : x
  2. Step 2: Convert to fraction form
    784,897,762.40/1,177,346,643.60 = 267,156,130.40/x
  3. Step 3: Cross multiply
    784,897,762.40x = 1,177,346,643.60 × 267,156,130.40
  4. Step 4: Simplify right side
    784,897,762.40x = 314,535,373,443,603,904
  5. Step 5: Solve for x
    x = 314,535,373,443,603,904/784,897,762.40
  6. Step 6: Final answer
    x = 400,734,195.60

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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.