Home / 838,693,271.28-1,157,400,221.28-462,341,597.52

Finding the Fourth Proportional to 838,693,271.28, 1,157,400,221.28 and 462,341,597.52

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Solution

The fourth proportional to 838,693,271.28, 1,157,400,221.28 and 462,341,597.52 is: 638,033,337.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,693,271.28 : 1,157,400,221.28 = 462,341,597.52 : x
  2. Step 2: Convert to fraction form
    838,693,271.28/1,157,400,221.28 = 462,341,597.52/x
  3. Step 3: Cross multiply
    838,693,271.28x = 1,157,400,221.28 × 462,341,597.52
  4. Step 4: Simplify right side
    838,693,271.28x = 535,114,267,276,596,672
  5. Step 5: Solve for x
    x = 535,114,267,276,596,672/838,693,271.28
  6. Step 6: Final answer
    x = 638,033,337.81

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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.