Home / 1,539,118,834.75-2,123,927,089.54-834,255,682.57

Finding the Fourth Proportional to 1,539,118,834.75, 2,123,927,089.54 and 834,255,682.57

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Solution

The fourth proportional to 1,539,118,834.75, 2,123,927,089.54 and 834,255,682.57 is: 1,151,241,998.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,118,834.75 : 2,123,927,089.54 = 834,255,682.57 : x
  2. Step 2: Convert to fraction form
    1,539,118,834.75/2,123,927,089.54 = 834,255,682.57/x
  3. Step 3: Cross multiply
    1,539,118,834.75x = 2,123,927,089.54 × 834,255,682.57
  4. Step 4: Simplify right side
    1,539,118,834.75x = 1,771,898,243,813,106,176
  5. Step 5: Solve for x
    x = 1,771,898,243,813,106,176/1,539,118,834.75
  6. Step 6: Final answer
    x = 1,151,241,998.87

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Double scale
Find fourth proportional to 1,539,118,835.75, 2,123,927,090.92 and 834,255,683.57
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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.