Home / 1,355,939,339.40-2,033,927,905.42-386,590,955.40

Finding the Fourth Proportional to 1,355,939,339.40, 2,033,927,905.42 and 386,590,955.40

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Solution

The fourth proportional to 1,355,939,339.40, 2,033,927,905.42 and 386,590,955.40 is: 579,891,820.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,939,339.40 : 2,033,927,905.42 = 386,590,955.40 : x
  2. Step 2: Convert to fraction form
    1,355,939,339.40/2,033,927,905.42 = 386,590,955.40/x
  3. Step 3: Cross multiply
    1,355,939,339.40x = 2,033,927,905.42 × 386,590,955.40
  4. Step 4: Simplify right side
    1,355,939,339.40x = 786,298,132,171,038,592
  5. Step 5: Solve for x
    x = 786,298,132,171,038,592/1,355,939,339.40
  6. Step 6: Final answer
    x = 579,891,820.62

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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.