Home / 1,539,118,802.39-2,123,927,044.74-834,255,650.21

Finding the Fourth Proportional to 1,539,118,802.39, 2,123,927,044.74 and 834,255,650.21

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Solution

The fourth proportional to 1,539,118,802.39, 2,123,927,044.74 and 834,255,650.21 is: 1,151,241,954.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,118,802.39 : 2,123,927,044.74 = 834,255,650.21 : x
  2. Step 2: Convert to fraction form
    1,539,118,802.39/2,123,927,044.74 = 834,255,650.21/x
  3. Step 3: Cross multiply
    1,539,118,802.39x = 2,123,927,044.74 × 834,255,650.21
  4. Step 4: Simplify right side
    1,539,118,802.39x = 1,771,898,137,697,552,896
  5. Step 5: Solve for x
    x = 1,771,898,137,697,552,896/1,539,118,802.39
  6. Step 6: Final answer
    x = 1,151,241,954.13

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Double scale
Find fourth proportional to 1,539,118,803.39, 2,123,927,046.12 and 834,255,651.21
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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.