Home / 1,528,087,547.46-2,107,338,094.89-991,665,644.38

Finding the Fourth Proportional to 1,528,087,547.46, 2,107,338,094.89 and 991,665,644.38

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Solution

The fourth proportional to 1,528,087,547.46, 2,107,338,094.89 and 991,665,644.38 is: 1,367,575,302.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,087,547.46 : 2,107,338,094.89 = 991,665,644.38 : x
  2. Step 2: Convert to fraction form
    1,528,087,547.46/2,107,338,094.89 = 991,665,644.38/x
  3. Step 3: Cross multiply
    1,528,087,547.46x = 2,107,338,094.89 × 991,665,644.38
  4. Step 4: Simplify right side
    1,528,087,547.46x = 2,089,774,789,802,209,536
  5. Step 5: Solve for x
    x = 2,089,774,789,802,209,536/1,528,087,547.46
  6. Step 6: Final answer
    x = 1,367,575,302.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.