Home / 1,539,118,781.13-2,123,927,015.54-834,255,628.95

Finding the Fourth Proportional to 1,539,118,781.13, 2,123,927,015.54 and 834,255,628.95

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Solution

The fourth proportional to 1,539,118,781.13, 2,123,927,015.54 and 834,255,628.95 is: 1,151,241,924.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,118,781.13 : 2,123,927,015.54 = 834,255,628.95 : x
  2. Step 2: Convert to fraction form
    1,539,118,781.13/2,123,927,015.54 = 834,255,628.95/x
  3. Step 3: Cross multiply
    1,539,118,781.13x = 2,123,927,015.54 × 834,255,628.95
  4. Step 4: Simplify right side
    1,539,118,781.13x = 1,771,898,068,189,048,064
  5. Step 5: Solve for x
    x = 1,771,898,068,189,048,064/1,539,118,781.13
  6. Step 6: Final answer
    x = 1,151,241,924.87

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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.