Home / 877,230,147.60-1,315,845,221.40-360,031,766.40

Finding the Fourth Proportional to 877,230,147.60, 1,315,845,221.40 and 360,031,766.40

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Solution

The fourth proportional to 877,230,147.60, 1,315,845,221.40 and 360,031,766.40 is: 540,047,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,230,147.60 : 1,315,845,221.40 = 360,031,766.40 : x
  2. Step 2: Convert to fraction form
    877,230,147.60/1,315,845,221.40 = 360,031,766.40/x
  3. Step 3: Cross multiply
    877,230,147.60x = 1,315,845,221.40 × 360,031,766.40
  4. Step 4: Simplify right side
    877,230,147.60x = 473,746,079,369,641,088
  5. Step 5: Solve for x
    x = 473,746,079,369,641,088/877,230,147.60
  6. Step 6: Final answer
    x = 540,047,649.60

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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.