Home / 953,859,621.60-1,430,789,432.40-298,865,368.80

Finding the Fourth Proportional to 953,859,621.60, 1,430,789,432.40 and 298,865,368.80

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Solution

The fourth proportional to 953,859,621.60, 1,430,789,432.40 and 298,865,368.80 is: 448,298,053.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,859,621.60 : 1,430,789,432.40 = 298,865,368.80 : x
  2. Step 2: Convert to fraction form
    953,859,621.60/1,430,789,432.40 = 298,865,368.80/x
  3. Step 3: Cross multiply
    953,859,621.60x = 1,430,789,432.40 × 298,865,368.80
  4. Step 4: Simplify right side
    953,859,621.60x = 427,613,411,389,368,704
  5. Step 5: Solve for x
    x = 427,613,411,389,368,704/953,859,621.60
  6. Step 6: Final answer
    x = 448,298,053.20

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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.