Home / 868,968,007.60-1,303,452,011.40-828,657,223.60

Finding the Fourth Proportional to 868,968,007.60, 1,303,452,011.40 and 828,657,223.60

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Solution

The fourth proportional to 868,968,007.60, 1,303,452,011.40 and 828,657,223.60 is: 1,242,985,835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,968,007.60 : 1,303,452,011.40 = 828,657,223.60 : x
  2. Step 2: Convert to fraction form
    868,968,007.60/1,303,452,011.40 = 828,657,223.60/x
  3. Step 3: Cross multiply
    868,968,007.60x = 1,303,452,011.40 × 828,657,223.60
  4. Step 4: Simplify right side
    868,968,007.60x = 1,080,114,924,862,559,616
  5. Step 5: Solve for x
    x = 1,080,114,924,862,559,616/868,968,007.60
  6. Step 6: Final answer
    x = 1,242,985,835.40

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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.