Home / 1,119,752,068.40-1,679,628,102.60-473,519,812.40

Finding the Fourth Proportional to 1,119,752,068.40, 1,679,628,102.60 and 473,519,812.40

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Solution

The fourth proportional to 1,119,752,068.40, 1,679,628,102.60 and 473,519,812.40 is: 710,279,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,752,068.40 : 1,679,628,102.60 = 473,519,812.40 : x
  2. Step 2: Convert to fraction form
    1,119,752,068.40/1,679,628,102.60 = 473,519,812.40/x
  3. Step 3: Cross multiply
    1,119,752,068.40x = 1,679,628,102.60 × 473,519,812.40
  4. Step 4: Simplify right side
    1,119,752,068.40x = 795,337,184,044,919,808
  5. Step 5: Solve for x
    x = 795,337,184,044,919,808/1,119,752,068.40
  6. Step 6: Final answer
    x = 710,279,718.60

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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.