Home / 765,528,009.60-1,148,292,014.40-535,756,540.80

Finding the Fourth Proportional to 765,528,009.60, 1,148,292,014.40 and 535,756,540.80

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Solution

The fourth proportional to 765,528,009.60, 1,148,292,014.40 and 535,756,540.80 is: 803,634,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,528,009.60 : 1,148,292,014.40 = 535,756,540.80 : x
  2. Step 2: Convert to fraction form
    765,528,009.60/1,148,292,014.40 = 535,756,540.80/x
  3. Step 3: Cross multiply
    765,528,009.60x = 1,148,292,014.40 × 535,756,540.80
  4. Step 4: Simplify right side
    765,528,009.60x = 615,204,957,463,207,808
  5. Step 5: Solve for x
    x = 615,204,957,463,207,808/765,528,009.60
  6. Step 6: Final answer
    x = 803,634,811.20

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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.