Home / 1,140,943,124.35-1,574,500,317.46-639,155,440.17

Finding the Fourth Proportional to 1,140,943,124.35, 1,574,500,317.46 and 639,155,440.17

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Solution

The fourth proportional to 1,140,943,124.35, 1,574,500,317.46 and 639,155,440.17 is: 882,033,838.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,943,124.35 : 1,574,500,317.46 = 639,155,440.17 : x
  2. Step 2: Convert to fraction form
    1,140,943,124.35/1,574,500,317.46 = 639,155,440.17/x
  3. Step 3: Cross multiply
    1,140,943,124.35x = 1,574,500,317.46 × 639,155,440.17
  4. Step 4: Simplify right side
    1,140,943,124.35x = 1,006,350,443,455,868,416
  5. Step 5: Solve for x
    x = 1,006,350,443,455,868,416/1,140,943,124.35
  6. Step 6: Final answer
    x = 882,033,838.48

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1.5x scale

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.