Home / 960,620,631.02-1,325,657,604.75-520,587,483.02

Finding the Fourth Proportional to 960,620,631.02, 1,325,657,604.75 and 520,587,483.02

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Solution

The fourth proportional to 960,620,631.02, 1,325,657,604.75 and 520,587,483.02 is: 718,411,341.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,620,631.02 : 1,325,657,604.75 = 520,587,483.02 : x
  2. Step 2: Convert to fraction form
    960,620,631.02/1,325,657,604.75 = 520,587,483.02/x
  3. Step 3: Cross multiply
    960,620,631.02x = 1,325,657,604.75 × 520,587,483.02
  4. Step 4: Simplify right side
    960,620,631.02x = 690,120,755,803,124,480
  5. Step 5: Solve for x
    x = 690,120,755,803,124,480/960,620,631.02
  6. Step 6: Final answer
    x = 718,411,341.08

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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.