Home / 992,209,345.70-1,488,314,018.04-370,473,132.00

Finding the Fourth Proportional to 992,209,345.70, 1,488,314,018.04 and 370,473,132.00

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Solution

The fourth proportional to 992,209,345.70, 1,488,314,018.04 and 370,473,132.00 is: 555,709,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,209,345.70 : 1,488,314,018.04 = 370,473,132.00 : x
  2. Step 2: Convert to fraction form
    992,209,345.70/1,488,314,018.04 = 370,473,132.00/x
  3. Step 3: Cross multiply
    992,209,345.70x = 1,488,314,018.04 × 370,473,132.00
  4. Step 4: Simplify right side
    992,209,345.70x = 551,380,355,666,941,824
  5. Step 5: Solve for x
    x = 551,380,355,666,941,824/992,209,345.70
  6. Step 6: Final answer
    x = 555,709,697.82

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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.