Home / 641,343,145.60-962,014,718.40-549,510,140.80

Finding the Fourth Proportional to 641,343,145.60, 962,014,718.40 and 549,510,140.80

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Solution

The fourth proportional to 641,343,145.60, 962,014,718.40 and 549,510,140.80 is: 824,265,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,343,145.60 : 962,014,718.40 = 549,510,140.80 : x
  2. Step 2: Convert to fraction form
    641,343,145.60/962,014,718.40 = 549,510,140.80/x
  3. Step 3: Cross multiply
    641,343,145.60x = 962,014,718.40 × 549,510,140.80
  4. Step 4: Simplify right side
    641,343,145.60x = 528,636,843,359,656,320
  5. Step 5: Solve for x
    x = 528,636,843,359,656,320/641,343,145.60
  6. Step 6: Final answer
    x = 824,265,211.20

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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.