Home / 709,569,473.80-1,064,553,276.30-346,075,688.20

Finding the Fourth Proportional to 709,569,473.80, 1,064,553,276.30 and 346,075,688.20

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Solution

The fourth proportional to 709,569,473.80, 1,064,553,276.30 and 346,075,688.20 is: 519,210,621.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,569,473.80 : 1,064,553,276.30 = 346,075,688.20 : x
  2. Step 2: Convert to fraction form
    709,569,473.80/1,064,553,276.30 = 346,075,688.20/x
  3. Step 3: Cross multiply
    709,569,473.80x = 1,064,553,276.30 × 346,075,688.20
  4. Step 4: Simplify right side
    709,569,473.80x = 368,416,007,721,087,232
  5. Step 5: Solve for x
    x = 368,416,007,721,087,232/709,569,473.80
  6. Step 6: Final answer
    x = 519,210,621.83

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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.