Home / 716,744,834,144.94-989,108,267,966.64-387,147,870,807.66

Finding the Fourth Proportional to 716,744,834,144.94, 989,108,267,966.64 and 387,147,870,807.66

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Solution

The fourth proportional to 716,744,834,144.94, 989,108,267,966.64 and 387,147,870,807.66 is: 534,264,276,070.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,744,834,144.94 : 989,108,267,966.64 = 387,147,870,807.66 : x
  2. Step 2: Convert to fraction form
    716,744,834,144.94/989,108,267,966.64 = 387,147,870,807.66/x
  3. Step 3: Cross multiply
    716,744,834,144.94x = 989,108,267,966.64 × 387,147,870,807.66
  4. Step 4: Simplify right side
    716,744,834,144.94x = 382,931,159,941,537,048,035,328
  5. Step 5: Solve for x
    x = 382,931,159,941,537,048,035,328/716,744,834,144.94
  6. Step 6: Final answer
    x = 534,264,276,070.25

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.