Home / 704,832,017.80-1,057,248,026.70-429,333,003.40

Finding the Fourth Proportional to 704,832,017.80, 1,057,248,026.70 and 429,333,003.40

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Solution

The fourth proportional to 704,832,017.80, 1,057,248,026.70 and 429,333,003.40 is: 643,999,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,832,017.80 : 1,057,248,026.70 = 429,333,003.40 : x
  2. Step 2: Convert to fraction form
    704,832,017.80/1,057,248,026.70 = 429,333,003.40/x
  3. Step 3: Cross multiply
    704,832,017.80x = 1,057,248,026.70 × 429,333,003.40
  4. Step 4: Simplify right side
    704,832,017.80x = 453,911,470,641,834,368
  5. Step 5: Solve for x
    x = 453,911,470,641,834,368/704,832,017.80
  6. Step 6: Final answer
    x = 643,999,505.10

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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.