Home / 761,296,017.80-1,050,588,504.60-431,271,156.80

Finding the Fourth Proportional to 761,296,017.80, 1,050,588,504.60 and 431,271,156.80

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Solution

The fourth proportional to 761,296,017.80, 1,050,588,504.60 and 431,271,156.80 is: 595,154,196.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,296,017.80 : 1,050,588,504.60 = 431,271,156.80 : x
  2. Step 2: Convert to fraction form
    761,296,017.80/1,050,588,504.60 = 431,271,156.80/x
  3. Step 3: Cross multiply
    761,296,017.80x = 1,050,588,504.60 × 431,271,156.80
  4. Step 4: Simplify right side
    761,296,017.80x = 453,088,519,699,624,128
  5. Step 5: Solve for x
    x = 453,088,519,699,624,128/761,296,017.80
  6. Step 6: Final answer
    x = 595,154,196.40

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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.