Home / 970,056,901.80-1,455,085,352.70-356,561,411.40

Finding the Fourth Proportional to 970,056,901.80, 1,455,085,352.70 and 356,561,411.40

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Solution

The fourth proportional to 970,056,901.80, 1,455,085,352.70 and 356,561,411.40 is: 534,842,117.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,056,901.80 : 1,455,085,352.70 = 356,561,411.40 : x
  2. Step 2: Convert to fraction form
    970,056,901.80/1,455,085,352.70 = 356,561,411.40/x
  3. Step 3: Cross multiply
    970,056,901.80x = 1,455,085,352.70 × 356,561,411.40
  4. Step 4: Simplify right side
    970,056,901.80x = 518,827,287,066,178,752
  5. Step 5: Solve for x
    x = 518,827,287,066,178,752/970,056,901.80
  6. Step 6: Final answer
    x = 534,842,117.10

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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.