Home / 715,106,543.60-1,072,659,815.40-424,868,898.80

Finding the Fourth Proportional to 715,106,543.60, 1,072,659,815.40 and 424,868,898.80

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Solution

The fourth proportional to 715,106,543.60, 1,072,659,815.40 and 424,868,898.80 is: 637,303,348.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,106,543.60 : 1,072,659,815.40 = 424,868,898.80 : x
  2. Step 2: Convert to fraction form
    715,106,543.60/1,072,659,815.40 = 424,868,898.80/x
  3. Step 3: Cross multiply
    715,106,543.60x = 1,072,659,815.40 × 424,868,898.80
  4. Step 4: Simplify right side
    715,106,543.60x = 455,739,794,556,009,280
  5. Step 5: Solve for x
    x = 455,739,794,556,009,280/715,106,543.60
  6. Step 6: Final answer
    x = 637,303,348.20

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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.