Home / 265,852,952.40-398,779,428.60-144,920,600.40

Finding the Fourth Proportional to 265,852,952.40, 398,779,428.60 and 144,920,600.40

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Solution

The fourth proportional to 265,852,952.40, 398,779,428.60 and 144,920,600.40 is: 217,380,900.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,852,952.40 : 398,779,428.60 = 144,920,600.40 : x
  2. Step 2: Convert to fraction form
    265,852,952.40/398,779,428.60 = 144,920,600.40/x
  3. Step 3: Cross multiply
    265,852,952.40x = 398,779,428.60 × 144,920,600.40
  4. Step 4: Simplify right side
    265,852,952.40x = 57,791,354,219,880,936
  5. Step 5: Solve for x
    x = 57,791,354,219,880,936/265,852,952.40
  6. Step 6: Final answer
    x = 217,380,900.60

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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.