Home / 990,480,829.60-1,485,721,244.40-975,175,328.80

Finding the Fourth Proportional to 990,480,829.60, 1,485,721,244.40 and 975,175,328.80

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Solution

The fourth proportional to 990,480,829.60, 1,485,721,244.40 and 975,175,328.80 is: 1,462,762,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,480,829.60 : 1,485,721,244.40 = 975,175,328.80 : x
  2. Step 2: Convert to fraction form
    990,480,829.60/1,485,721,244.40 = 975,175,328.80/x
  3. Step 3: Cross multiply
    990,480,829.60x = 1,485,721,244.40 × 975,175,328.80
  4. Step 4: Simplify right side
    990,480,829.60x = 1,448,838,703,012,915,200
  5. Step 5: Solve for x
    x = 1,448,838,703,012,915,200/990,480,829.60
  6. Step 6: Final answer
    x = 1,462,762,993.20

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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.