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Finding the Fourth Proportional to 1,344,600,837.76, 1,855,549,159.68 and 726,502,149.76

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Solution

The fourth proportional to 1,344,600,837.76, 1,855,549,159.68 and 726,502,149.76 is: 1,002,572,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,600,837.76 : 1,855,549,159.68 = 726,502,149.76 : x
  2. Step 2: Convert to fraction form
    1,344,600,837.76/1,855,549,159.68 = 726,502,149.76/x
  3. Step 3: Cross multiply
    1,344,600,837.76x = 1,855,549,159.68 × 726,502,149.76
  4. Step 4: Simplify right side
    1,344,600,837.76x = 1,348,060,453,492,881,664
  5. Step 5: Solve for x
    x = 1,348,060,453,492,881,664/1,344,600,837.76
  6. Step 6: Final answer
    x = 1,002,572,968.60

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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.