Home / 1,009,563,216.80-1,513,747,628.40-525,833,808.80

Finding the Fourth Proportional to 1,009,563,216.80, 1,513,747,628.40 and 525,833,808.80

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Solution

The fourth proportional to 1,009,563,216.80, 1,513,747,628.40 and 525,833,808.80 is: 788,439,661.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,563,216.80 : 1,513,747,628.40 = 525,833,808.80 : x
  2. Step 2: Convert to fraction form
    1,009,563,216.80/1,513,747,628.40 = 525,833,808.80/x
  3. Step 3: Cross multiply
    1,009,563,216.80x = 1,513,747,628.40 × 525,833,808.80
  4. Step 4: Simplify right side
    1,009,563,216.80x = 795,979,681,003,539,072
  5. Step 5: Solve for x
    x = 795,979,681,003,539,072/1,009,563,216.80
  6. Step 6: Final answer
    x = 788,439,661.59

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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.