Home / 750,765,349.40-1,126,148,024.10-443,899,506.20

Finding the Fourth Proportional to 750,765,349.40, 1,126,148,024.10 and 443,899,506.20

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Solution

The fourth proportional to 750,765,349.40, 1,126,148,024.10 and 443,899,506.20 is: 665,849,259.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,765,349.40 : 1,126,148,024.10 = 443,899,506.20 : x
  2. Step 2: Convert to fraction form
    750,765,349.40/1,126,148,024.10 = 443,899,506.20/x
  3. Step 3: Cross multiply
    750,765,349.40x = 1,126,148,024.10 × 443,899,506.20
  4. Step 4: Simplify right side
    750,765,349.40x = 499,896,551,806,095,616
  5. Step 5: Solve for x
    x = 499,896,551,806,095,616/750,765,349.40
  6. Step 6: Final answer
    x = 665,849,259.30

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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.