Home / 528,185,746.18-796,075,139.49-455,289,368.17

Finding the Fourth Proportional to 528,185,746.18, 796,075,139.49 and 455,289,368.17

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Solution

The fourth proportional to 528,185,746.18, 796,075,139.49 and 455,289,368.17 is: 686,206,604.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,185,746.18 : 796,075,139.49 = 455,289,368.17 : x
  2. Step 2: Convert to fraction form
    528,185,746.18/796,075,139.49 = 455,289,368.17/x
  3. Step 3: Cross multiply
    528,185,746.18x = 796,075,139.49 × 455,289,368.17
  4. Step 4: Simplify right side
    528,185,746.18x = 362,444,547,276,849,536
  5. Step 5: Solve for x
    x = 362,444,547,276,849,536/528,185,746.18
  6. Step 6: Final answer
    x = 686,206,604.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.