Home / 977,900,611.44-1,349,853,866.76-581,422,655.16

Finding the Fourth Proportional to 977,900,611.44, 1,349,853,866.76 and 581,422,655.16

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Solution

The fourth proportional to 977,900,611.44, 1,349,853,866.76 and 581,422,655.16 is: 802,571,969.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,900,611.44 : 1,349,853,866.76 = 581,422,655.16 : x
  2. Step 2: Convert to fraction form
    977,900,611.44/1,349,853,866.76 = 581,422,655.16/x
  3. Step 3: Cross multiply
    977,900,611.44x = 1,349,853,866.76 × 581,422,655.16
  4. Step 4: Simplify right side
    977,900,611.44x = 784,835,619,289,592,064
  5. Step 5: Solve for x
    x = 784,835,619,289,592,064/977,900,611.44
  6. Step 6: Final answer
    x = 802,571,969.08

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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.