Home / 1,404,357,734.47-1,938,044,989.21-801,516,266.20

Finding the Fourth Proportional to 1,404,357,734.47, 1,938,044,989.21 and 801,516,266.20

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Solution

The fourth proportional to 1,404,357,734.47, 1,938,044,989.21 and 801,516,266.20 is: 1,106,110,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,357,734.47 : 1,938,044,989.21 = 801,516,266.20 : x
  2. Step 2: Convert to fraction form
    1,404,357,734.47/1,938,044,989.21 = 801,516,266.20/x
  3. Step 3: Cross multiply
    1,404,357,734.47x = 1,938,044,989.21 × 801,516,266.20
  4. Step 4: Simplify right side
    1,404,357,734.47x = 1,553,374,583,479,218,688
  5. Step 5: Solve for x
    x = 1,553,374,583,479,218,688/1,404,357,734.47
  6. Step 6: Final answer
    x = 1,106,110,320.30

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Double scale
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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.