Home / 718,655,857.40-1,075,968,246.90-698,500,465.40

Finding the Fourth Proportional to 718,655,857.40, 1,075,968,246.90 and 698,500,465.40

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Solution

The fourth proportional to 718,655,857.40, 1,075,968,246.90 and 698,500,465.40 is: 1,045,791,686.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,655,857.40 : 1,075,968,246.90 = 698,500,465.40 : x
  2. Step 2: Convert to fraction form
    718,655,857.40/1,075,968,246.90 = 698,500,465.40/x
  3. Step 3: Cross multiply
    718,655,857.40x = 1,075,968,246.90 × 698,500,465.40
  4. Step 4: Simplify right side
    718,655,857.40x = 751,564,321,215,272,192
  5. Step 5: Solve for x
    x = 751,564,321,215,272,192/718,655,857.40
  6. Step 6: Final answer
    x = 1,045,791,686.63

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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.