Home / 971,870,899.20-1,341,219,901.01-548,499,349.20

Finding the Fourth Proportional to 971,870,899.20, 1,341,219,901.01 and 548,499,349.20

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Solution

The fourth proportional to 971,870,899.20, 1,341,219,901.01 and 548,499,349.20 is: 756,950,582.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,870,899.20 : 1,341,219,901.01 = 548,499,349.20 : x
  2. Step 2: Convert to fraction form
    971,870,899.20/1,341,219,901.01 = 548,499,349.20/x
  3. Step 3: Cross multiply
    971,870,899.20x = 1,341,219,901.01 × 548,499,349.20
  4. Step 4: Simplify right side
    971,870,899.20x = 735,658,242,838,073,472
  5. Step 5: Solve for x
    x = 735,658,242,838,073,472/971,870,899.20
  6. Step 6: Final answer
    x = 756,950,582.06

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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.