Home / 553,676,015.40-830,514,023.10-545,066,671.20

Finding the Fourth Proportional to 553,676,015.40, 830,514,023.10 and 545,066,671.20

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Solution

The fourth proportional to 553,676,015.40, 830,514,023.10 and 545,066,671.20 is: 817,600,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,676,015.40 : 830,514,023.10 = 545,066,671.20 : x
  2. Step 2: Convert to fraction form
    553,676,015.40/830,514,023.10 = 545,066,671.20/x
  3. Step 3: Cross multiply
    553,676,015.40x = 830,514,023.10 × 545,066,671.20
  4. Step 4: Simplify right side
    553,676,015.40x = 452,685,513,956,036,928
  5. Step 5: Solve for x
    x = 452,685,513,956,036,928/553,676,015.40
  6. Step 6: Final answer
    x = 817,600,006.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.