Home / 1,877,756,056.80-2,816,634,085.20-1,798,142,258.40

Finding the Fourth Proportional to 1,877,756,056.80, 2,816,634,085.20 and 1,798,142,258.40

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Solution

The fourth proportional to 1,877,756,056.80, 2,816,634,085.20 and 1,798,142,258.40 is: 2,697,213,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,756,056.80 : 2,816,634,085.20 = 1,798,142,258.40 : x
  2. Step 2: Convert to fraction form
    1,877,756,056.80/2,816,634,085.20 = 1,798,142,258.40/x
  3. Step 3: Cross multiply
    1,877,756,056.80x = 2,816,634,085.20 × 1,798,142,258.40
  4. Step 4: Simplify right side
    1,877,756,056.80x = 5,064,708,775,047,946,240
  5. Step 5: Solve for x
    x = 5,064,708,775,047,946,240/1,877,756,056.80
  6. Step 6: Final answer
    x = 2,697,213,387.60

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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.