Home / 753,003,108.84-1,038,821,952.27-470,254,674.03

Finding the Fourth Proportional to 753,003,108.84, 1,038,821,952.27 and 470,254,674.03

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Solution

The fourth proportional to 753,003,108.84, 1,038,821,952.27 and 470,254,674.03 is: 648,750,148.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,003,108.84 : 1,038,821,952.27 = 470,254,674.03 : x
  2. Step 2: Convert to fraction form
    753,003,108.84/1,038,821,952.27 = 470,254,674.03/x
  3. Step 3: Cross multiply
    753,003,108.84x = 1,038,821,952.27 × 470,254,674.03
  4. Step 4: Simplify right side
    753,003,108.84x = 488,510,878,539,937,024
  5. Step 5: Solve for x
    x = 488,510,878,539,937,024/753,003,108.84
  6. Step 6: Final answer
    x = 648,750,148.31

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Double scale
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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.