Home / 670,100,139.40-1,005,150,209.10-497,913,255.40

Finding the Fourth Proportional to 670,100,139.40, 1,005,150,209.10 and 497,913,255.40

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Solution

The fourth proportional to 670,100,139.40, 1,005,150,209.10 and 497,913,255.40 is: 746,869,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,100,139.40 : 1,005,150,209.10 = 497,913,255.40 : x
  2. Step 2: Convert to fraction form
    670,100,139.40/1,005,150,209.10 = 497,913,255.40/x
  3. Step 3: Cross multiply
    670,100,139.40x = 1,005,150,209.10 × 497,913,255.40
  4. Step 4: Simplify right side
    670,100,139.40x = 500,477,612,778,971,712
  5. Step 5: Solve for x
    x = 500,477,612,778,971,712/670,100,139.40
  6. Step 6: Final answer
    x = 746,869,883.10

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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.