Home / 918,008,409.60-1,377,012,614.40-837,654,530.40

Finding the Fourth Proportional to 918,008,409.60, 1,377,012,614.40 and 837,654,530.40

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Solution

The fourth proportional to 918,008,409.60, 1,377,012,614.40 and 837,654,530.40 is: 1,256,481,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,008,409.60 : 1,377,012,614.40 = 837,654,530.40 : x
  2. Step 2: Convert to fraction form
    918,008,409.60/1,377,012,614.40 = 837,654,530.40/x
  3. Step 3: Cross multiply
    918,008,409.60x = 1,377,012,614.40 × 837,654,530.40
  4. Step 4: Simplify right side
    918,008,409.60x = 1,153,460,854,870,108,416
  5. Step 5: Solve for x
    x = 1,153,460,854,870,108,416/918,008,409.60
  6. Step 6: Final answer
    x = 1,256,481,795.60

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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.