Home / 846,459,567.70-1,168,116,909.65-470,116,087.28

Finding the Fourth Proportional to 846,459,567.70, 1,168,116,909.65 and 470,116,087.28

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Solution

The fourth proportional to 846,459,567.70, 1,168,116,909.65 and 470,116,087.28 is: 648,761,703.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,459,567.70 : 1,168,116,909.65 = 470,116,087.28 : x
  2. Step 2: Convert to fraction form
    846,459,567.70/1,168,116,909.65 = 470,116,087.28/x
  3. Step 3: Cross multiply
    846,459,567.70x = 1,168,116,909.65 × 470,116,087.28
  4. Step 4: Simplify right side
    846,459,567.70x = 549,150,551,048,238,912
  5. Step 5: Solve for x
    x = 549,150,551,048,238,912/846,459,567.70
  6. Step 6: Final answer
    x = 648,761,703.45

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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.