Home / 1,161,443,944.49-1,742,164,339.02-539,318,986.07

Finding the Fourth Proportional to 1,161,443,944.49, 1,742,164,339.02 and 539,318,986.07

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Solution

The fourth proportional to 1,161,443,944.49, 1,742,164,339.02 and 539,318,986.07 is: 808,977,746.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,443,944.49 : 1,742,164,339.02 = 539,318,986.07 : x
  2. Step 2: Convert to fraction form
    1,161,443,944.49/1,742,164,339.02 = 539,318,986.07/x
  3. Step 3: Cross multiply
    1,161,443,944.49x = 1,742,164,339.02 × 539,318,986.07
  4. Step 4: Simplify right side
    1,161,443,944.49x = 939,582,304,897,395,072
  5. Step 5: Solve for x
    x = 939,582,304,897,395,072/1,161,443,944.49
  6. Step 6: Final answer
    x = 808,977,746.50

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Double scale
Find fourth proportional to 1,161,443,945.49, 1,742,164,340.52 and 539,318,987.07
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.