Home / 265,852,938.40-398,779,407.60-144,920,586.40

Finding the Fourth Proportional to 265,852,938.40, 398,779,407.60 and 144,920,586.40

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Solution

The fourth proportional to 265,852,938.40, 398,779,407.60 and 144,920,586.40 is: 217,380,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,852,938.40 : 398,779,407.60 = 144,920,586.40 : x
  2. Step 2: Convert to fraction form
    265,852,938.40/398,779,407.60 = 144,920,586.40/x
  3. Step 3: Cross multiply
    265,852,938.40x = 398,779,407.60 × 144,920,586.40
  4. Step 4: Simplify right side
    265,852,938.40x = 57,791,345,593,636,624
  5. Step 5: Solve for x
    x = 57,791,345,593,636,624/265,852,938.40
  6. Step 6: Final answer
    x = 217,380,879.60

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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.