Home / 1,029,919,630.60-1,544,879,445.90-917,679,291.40

Finding the Fourth Proportional to 1,029,919,630.60, 1,544,879,445.90 and 917,679,291.40

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Solution

The fourth proportional to 1,029,919,630.60, 1,544,879,445.90 and 917,679,291.40 is: 1,376,518,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,919,630.60 : 1,544,879,445.90 = 917,679,291.40 : x
  2. Step 2: Convert to fraction form
    1,029,919,630.60/1,544,879,445.90 = 917,679,291.40/x
  3. Step 3: Cross multiply
    1,029,919,630.60x = 1,544,879,445.90 × 917,679,291.40
  4. Step 4: Simplify right side
    1,029,919,630.60x = 1,417,703,875,211,936,768
  5. Step 5: Solve for x
    x = 1,417,703,875,211,936,768/1,029,919,630.60
  6. Step 6: Final answer
    x = 1,376,518,937.10

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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.